{"id":34,"date":"2023-06-08T23:53:00","date_gmt":"2023-06-08T14:53:00","guid":{"rendered":"http:\/\/www.ist.hokudai.ac.jp\/labo\/processing\/?page_id=26"},"modified":"2026-04-06T09:27:53","modified_gmt":"2026-04-06T00:27:53","slug":"achievements","status":"publish","type":"page","link":"https:\/\/www.ist.hokudai.ac.jp\/labo\/epm\/en\/achievements\/","title":{"rendered":"Publications"},"content":{"rendered":"\n
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2026<\/a><\/div>\n\n\n\n
2025<\/a><\/div>\n\n\n\n
2024<\/a><\/div>\n\n\n\n
2023<\/a><\/div>\n\n\n\n
2022<\/a><\/div>\n\n\n\n
2021<\/a><\/div>\n\n\n\n
2020<\/a><\/div>\n\n\n\n
2019<\/a><\/div>\n\n\n\n
2018<\/a><\/div>\n\n\n\n
2017<\/a><\/div>\n\n\n\n
2016<\/a><\/div>\n\n\n\n
2015<\/a><\/div>\n\n\n\n
2014<\/a><\/div>\n\n\n\n
2013<\/a><\/div>\n\n\n\n
2012<\/a><\/div>\n\n\n\n
2011<\/a><\/div>\n\n\n\n
2010<\/a><\/div>\n\n\n\n
2009<\/a><\/div>\n\n\n\n
2008<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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2026<\/strong><\/h2>\n\n\n\n

Publication<\/strong><\/h4>\n\n\n\n
    \n
  1. <\/li>\n<\/ol>\n\n\n\n

    International conference<\/strong><\/h4>\n\n\n\n
      \n
    1. “Bias Voltage Dependence of Circularly Polarized Luminescence Properties of InGaAs Quantum Dots Sandwiched between GaNAs Quantum Wells”,
      K. Nakadate, H. Kise, A. Morita, J. Takayama, A. Murayama, S. Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 26, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    2. “Effect of Nitrogen Content on Spin-Polarization Amplification Dynamics in Tunnel-Coupled GaNAs Quantum Well\/InGaAs Quantum Dots Structure”,
      Y. Suzuki, H. Kise, A. Morita, J. Takayama, A. Murayama, S. Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 26, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    3. “Circularly Polarized Electroluminescence Properties of Spin-Polarized Light-Emitting Diodes with Post-Annealed MgO\/CoFeB Spin Injector”,
      I. Tanaka, D. Mineyama, A. Morita, H. Kise, J. Takayama, A. Murayama, S. Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 26, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    4. “Performance Enhancement of GaNAs-Based Polarization-Sensitive Photodiode Based on Valence Band Splitting”,
      D. Mineyama, I. Tanaka, T. Omi, K. Nakama, H. Hashimoto, K. Minehisa, J. Takayama, F. Ishikawa, A. Murayama, Satoshi Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 26, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    5. “Circularly Polarized Luminescence Properties of Dilute Nitride GaInNAs\/GaAs Multiple Quantum Wells with Spin-Filtering Defects”,
      E. Tagawa, A. Morita, K. Minehisa, H. Kise, J. Takayama, F. Ishikawa, A. Murayama, S. Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 26, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    6. “Investigation of Spin-Filtering Defect Density in Dilute Nitride InGaAsN Quantum Dots via Circularly Polarized Photoluminescence”,
      A. Morita, D. Mineyama, J. Takayama, A. Murayama, S. Hiura:
      Compound Semiconductor Week 2026 (CSW2026), May 28, 2026, Kumamoto-Jo Hall, Kumamoto, JAPAN.<\/li>\n\n\n\n
    7. “MBE Growth of Dilute Nitride InGaAsN Quantum Dots via Indirect Nitrogen Incorporation and Their Spin-Polarized Luminescence Properties”,
      A. Morita, H. Kise, J. Takayama, A. Murayama, S. Hiura:
      24th International Conference on Molecular-Beam Epitaxy (ICMBE2026), July 12-16, 2026, Sheraton Ann Arbor, Michigan, USA.<\/li>\n<\/ol>\n\n\n\n
      \n\n\n\n

      2025<\/strong><\/h2>\n\n\n\n

      Publication<\/strong><\/h4>\n\n\n\n
        \n
      1. \u201cAnti reflective and luminescent GaAs\/AlGaAs core-shell nanowires on Si wafer with 1 ns carrier lifetime up to 400 K\u201d,
        K. Minehisa, H. Hashimoto, K. Nakama, H. Kise, S. Sato, J. Takayama, S. Hiura, A. Murayama, F. Ishikawa:
        Journal of Applied Physics 137<\/strong>, 034301:1-6 (2025). [doi]<\/a><\/li>\n\n\n\n
      2. \u201cRoom-temperature spin-conserved electron transport to semiconductor quantum dots using a superlattice barrier\u201d,
        S. Hiura, S. Hatakeyama, M. Jansson, J. Takayama, I. Buyanova, W. Chen, A. Murayama:
        Physical Chemistry Chemical Physics 27<\/strong>, 2210-2217 (2025).         [doi]<\/a><\/li>\n\n\n\n
      3. \u201cEfficient room-temperature spin-amplified luminescence of InAs quantum dots tunnel-coupled with a thin GaNAs spin filter\u201d,
        S. Hiura, S. Sato, S. Sakano, J. Takayama, A. Murayama:
        Applied Physics Letters 126<\/strong>, 052403:1-8 (2025).         [doi]<\/a><\/li>\n\n\n\n
      4. \u201cDynamics of strongly localized excitons in GaAs\/GaAsBi core\/shell nanowires\u201d,
        M. Jansson, S. Hiura, J. Takayama, A. Murayama, F. Ishikawa, W. M. Chen, I. A. Buyanova:
        Journal of Physical Chemistry C 129<\/strong>, 4456-4463 (2025).         [doi]<\/a><\/li>\n\n\n\n
      5. \u201cInfluence of bias voltage on the performance of polarization sensitive near-infrared photodiode based on dilute nitride GaNAs\u201d,
        D. Mineyama, T. Yano, K. Etou, K. Nakama, H. Hashimoto, K. Minehisa, J. Takayama, A. Subagyo, K. Sueoka, F. Ishikawa, A. Murayama, S. Hiura:
        Applied Physics Letters 126<\/strong>, 223507:1-7 (2025).         [doi]<\/a><\/li>\n\n\n\n
      6. \u201cEnhancement of Emission Ef\ufb01ciency and Color Tuning by Mixing Platinum(II) and Palladium(II) Complexes in a One-dimensional Chain\u201d,
        K. Segawa, M. Yoshida, H. Kise, J. Takayama, S. Hiura, A. Murayama, S. Okabayashi, M. Tsuboi, T. Tachikawa, K. Onda, M. Kato:
        Angewandte Chemie International Edition e202513282 (2025).         [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

        International conference<\/strong><\/h4>\n\n\n\n
          \n
        1. \u201cSpin-photon conversion based on III-V semiconductor nanomaterials\u201d,
          S. Hiura,
          The University of Melbourne \u2013 Hokkaido University Workshop on Smart Materials (Invited talk)<\/strong>, March 3, 2025, The University of Melbourne, Melbourne, Australia.<\/li>\n\n\n\n
        2. \u201cPhotoluminescence properties of electric-field-effect optical spin devices using semiconductor quantum dots\u201d,
          H. Kise,
          The University of Melbourne \u2013 Hokkaido University Workshop on Smart Materials, March 3, 2025, The University of Melbourne, Melbourne, Australia.<\/li>\n\n\n\n
        3. “Recent progress of opto-spintronics based on semiconductor nanomaterials”,
          S. Hiura:
          The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025) (Invited talk)<\/strong>, June 11-14, 2025, Fukui Prefectural Hall, Fukui, JAPAN.<\/li>\n\n\n\n
        4. “Electron spin dynamics of dilute nitride GaNAs-InGaAs quantum dot tunnelcoupled nanostructure sandwiched between AlGaAs barriers”,
          S. Nomura, H. Kise, J. Takayama, A. Murayama, S. Hiura:
          The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025), June 11-14, 2025, Fukui Prefectural Hall, Fukui, JAPAN.<\/li>\n\n\n\n
        5. “Effect of excitation spin density on oscillation characteristics of luminescence circular polarization from InGaAs quantum dots tunnel-coupled with a GaNAs quantum well with magnetic field”,
          S. Sakano, S. Nomura, J. Takayama, A. Murayama, S. Hiura:
          The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025), June 11-14, 2025, Fukui Prefectural Hall, Fukui, JAPAN.<\/li>\n\n\n\n
        6. “Electroluminescence properties of InGaAs quantum dot light-emitting diodes with different stacking number of quantum dot layers”,
          I. Tanaka, D. Mineyama, K. Etou, A. Morita, H. Kise, J. Takayama, A. Murayama, S. Hiura:
          The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025), June 11-14, 2025, Fukui Prefectural Hall, Fukui, JAPAN.<\/li>\n\n\n\n
        7. “Bias voltage dependence of the performance of polarization-sensitive photodiode using dilute nitride GaNAs”,
          D. Mineyama, K. Nakama, H. Hashimoto, K. Minehisa, J. Takayama, A. Subagyo, K. Sueoka, F. Ishikawa, A. Murayama, S. Hiura:
          The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025), June 11-14, 2025, Fukui Prefectural Hall, Fukui, JAPAN.<\/li>\n\n\n\n
        8. “Effect of Stacking Number of InGaAs Quantum Dot Active Layers on Circularly Polarized Electroluminescence Properties of Spin-Polarized Light-Emitting Diodes”,
          I. Tanaka, D. Mineyama, A. Morita, H. Kise, J. Takayama, A. Murayama, S. Hiura:
          2025 International Conference on Solid State Devices and Materials (SSDM2025), September 16, 2025, Pacifico Yokohama, Yokohama, JAPAN.<\/li>\n\n\n\n
        9. “Light-Absorbing Layer Thickness Dependence of Polarization-Sensitive Photodiodes Based on Dilute Nitride GaNAs”,
          D. Mineyama, I. Tanaka, K. Nakama, H. Hashimoto, K. Minehisa, J. Takayama, F. Ishikawa, A. Murayama, S. Hiura:
          2025 International Conference on Solid State Devices and Materials (SSDM2025), September 16, 2025, Pacifico Yokohama, Yokohama, JAPAN.<\/li>\n\n\n\n
        10. “Room-temperature spin-optoelectronics based on defect-enabled spin amplification”,
          S. Hiura:
          The 70th Annual Conference on Magnetism and Magnetic Materials (MMM2025) (Invited talk)<\/strong>, October 27-31, 2025, Palm Beach Convention Center, West Palm Beach, USA.<\/li>\n<\/ol>\n\n\n\n
          \n\n\n\n

          2024<\/strong><\/h2>\n\n\n\n

          Publication<\/strong><\/h4>\n\n\n\n
            \n
          1. \u201cParticle Propagation and Electron Transport in Gases\u201d,
            L. Vialetto, H. Sugawara, S. Longo:
            Plasma 7<\/strong>, 121-145 (2024).             [doi]<\/a><\/li>\n\n\n\n
          2. \u201cElectrons flip a switch on optical communications\u201d,
            S. Hiura:
            Nature 627<\/strong>, 737-738 (2024).             [doi]<\/a><\/li>\n\n\n\n
          3. \u201cThermo-responsive emission induced by different delocalized excited-states in isomorphous Pd(II) and Pt(II) one-dimensional chains\u201d,
            T. Saito, M. Yoshida, K. Segawa, D. Saito, J. Takayama, S. Hiura, A. Murayama, N. M. Lakshan, W. M. C. Sameera, A. Kobayashi, M. Kato:
            Chemical Science 15<\/strong>, 14497-14505 (2024).             [doi]<\/a><\/li>\n\n\n\n
          4. \u201cHistorical development of electron swarm physics based on the Boltzmann equation towards in-depth understanding of a low-temperature collisional plasma\u201d,
            T. Makabe, H. Sugawara:
            Plasma Sources Science and Technology 33<\/strong>, 093001:1-23 (2024).             [doi]<\/a><\/li>\n\n\n\n
          5. \u201cSimulation of electron energy gain in inductively coupled plasmas driven at 13.56, 27.12, and 40.68 MHz under confronting divergent magnetic fields\u201d,
            R. Okazaki, H. Sugawara:
            Japanese Journal of Applied Physics 63<\/strong>, 126001:1-8 (2024).             [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

            International conference<\/strong><\/h4>\n\n\n\n
              \n
            1. “Effective suppression of spin relaxation at room temperature in dilute nitride InGaAsN quantum dots”,
              A. Morita, S. Hiura, J. Takayama, A. Murayama:
              Compound Semiconductor Week 2024 (CSW2024), June 4, 2024, Lund University, Lund, SWEDEN.<\/li>\n\n\n\n
            2. “Wafer Scale GaAs\/AlGaAs Core-Shell Nanowires on 2-inch Si Substrate Showing Efficient Light Emission\/Absorption with High Thermal Stability”,
              K. Minehisa, H. Hashimoto, K. Nakama, H. Kise, S. Sato, J. Takayama, S. Hiura, A. Murayama, F. Ishikawa:
              38th North American Conference on Molecular Beam Epitaxy (NAMBE2024), July 22, 2024, Tuft\u2019s University, Boston, USA.<\/li>\n\n\n\n
            3. \u201cRoom temperature operation of opto-spintronic devices based on III-V semiconductor nanostructures\u201d,
              S. Hiura,
              The 7th QST International Symposium (Invited talk)<\/strong>, July 25, 2024, G MESSE GUNMA, Takasaki, JAPAN.<\/li>\n\n\n\n
            4. \u201cRecent advances in opto-spintronic semiconductors based on 0D-2D hybrid nanostructures\u201d,
              S. Hiura,
              SPIE Optics + Photonics 2024 (Invited talk)<\/strong>, August 18, 2024, San Diego Convention Center, San Diego, USA.<\/li>\n\n\n\n
            5. “Room Temperature Polarization-Dependent Photocurrent Characteristics of Near-Infrared Photodiode Based on Dilute Nitride GaNAs”,
              D. Mineyama, S. Hiura, K. Nakama, H. Hashimoto, K. Minehisa, J. Takayama, A. Subagyo, K. Sueoka, F. Ishikawa, A. Murayama:
              2024 International Conference on Solid State Devices and Materials (SSDM2024), September 3, 2024, Arcrea HIMEJI, Himeji, JAPAN.<\/li>\n\n\n\n
            6. “Spin-Polarized Light Emission Properties of InGaAs Quantum Dots Sandwiched between Dilute Nitride GaNAs via GaAs Tunnel Barrier”,
              S. Nomura, S. Hiura, J. Takayama, A. Murayama:
              23rd International Conference on Molecular-Beam Epitaxy (ICMBE2024), September 12, 2024, Kunibiki Messe, Matsue, JAPAN.<\/li>\n\n\n\n
            7. “Room Temperature Electric Field Control of Electron Spin Polarization in InAs Quantum Dots Tunnel-Coupled with an InGaAs Quantum Well”,
              H. Kise, S. Hiura, J. Takayama, K. Sueoka, A. Murayama:
              23rd International Conference on Molecular-Beam Epitaxy (ICMBE2024), September 12, 2024, Kunibiki Messe, Matsue, JAPAN.<\/li>\n\n\n\n
            8. “Electron spin transport properties of GaAs\/AlGaAs superlattice barrier under an application of electric field”,
              K. Etou, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama, S. Hiura:
              37th International Microprocesses and Nanotechnology Conference (MNC 2024), November 14, 2024, Kyoto Brighton Hotel, Kyoto, JAPAN.<\/li>\n\n\n\n
            9. “Fabrication of a near-infrared spin photodiode using dilute nitride GaNAs”,
              T. Yano, D. Mineyama, K. Etou, K. Nakama, H. Hashimoto, K. Minehisa, M. Ogawa, J. Takayama, F. Ishikawa, T. Uemura, A. Murayama, S. Hiura:
              37th International Microprocesses and Nanotechnology Conference (MNC 2024), November 14, 2024, Kyoto Brighton Hotel, Kyoto, JAPAN.<\/li>\n\n\n\n
            10. “Circularly polarized electroluminescence properties of quantum dot spin-polarized lightemitting diode using GaOx tunneling barrier”,
              S. Sim, K. Etou, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama, S. Hiura:
              37th International Microprocesses and Nanotechnology Conference (MNC 2024), November 14, 2024, Kyoto Brighton Hotel, Kyoto, JAPAN.<\/li>\n\n\n\n
            11. “Temperature dependence of circularly polarized photoluminescence in dilute nitride InGaAsN quantum dots grown at low temperature”,
              A. Morita, J. Takayama, A. Murayama, S. Hiura:
              37th International Microprocesses and Nanotechnology Conference (MNC 2024), November 14, 2024, Kyoto Brighton Hotel, Kyoto, JAPAN.<\/li>\n<\/ol>\n\n\n\n
              \n\n\n\n

              2023<\/strong><\/h2>\n\n\n\n

              Publication<\/strong><\/h4>\n\n\n\n
                \n
              1. \u201cWafer-scale integration of GaAs\/AlGaAs core\u2013shell nanowires on silicon by the single process of self-catalyzed molecular beam epitaxy\u201d,
                K. Minehisa, R. Murakami, H. Hashimoto, K. Nakama, K. Sakaguchi, R. Tsutsumi, T. Tanigawa, M. Yukimune, K. Nagashima, T. Yanagida, S. Sato, S. Hiura, A. Murayama, F. Ishikawa:
                Nanoscale Advances 5<\/strong>, 1651-1663 (2023).                 [doi]<\/a>[PRESS RELEASE]<\/a><\/li>\n\n\n\n
              2. \u201cEfficient Room-Temperature Operation of a Quantum Dot Spin-Polarized Light-Emitting Diode under High-Bias Conditions\u201d,
                K. Etou, S. Hiura, S. Park, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama:
                Physical Review Applied 19<\/strong>, 024055:1-9 (2023).                 [doi]<\/a> [PRESS RELEASE]<\/a><\/li>\n\n\n\n
              3. \u201cAnalysis of electron heating due to partial resonance in an inductively coupled plasma under confronting divergent magnetic fields\u201d,
                R. Okazaki, H. Sugawara:
                Japanese Journal of Applied Physics 62<\/strong>, SL1003:1-8 (2023).                 [doi]<\/a><\/li>\n\n\n\n
              4. \u201cElectric-field driven source of photocarriers for tunable electron spin polarization in InGaAs quantum dots\u201d,
                H. Kise, S. Hiura, S. Park, J. Takayama, K. Sueoka, A. Murayama:
                Applied Physics Letters 1<\/b>22<\/strong>, 232405:1-7 (2023).                 [doi]<\/a>
                (selected as an Editor’s Pick)<\/strong><\/em><\/span><\/li>\n\n\n\n
              5. \u201cAn improved calculation scheme of electron flow in a propagator method for solving the Boltzmann equation\u201d,
                T. Kobayashi, H. Sugawara, K. Ikeda:
                Japanese Journal of Applied Physics 62<\/strong>, SL1020:1-10 (2023).                 [doi]<\/a><\/li>\n\n\n\n
              6. GaAs\/GaInNAs core-multishell nanowires with a triple quantum-well structure emitting in the telecommunication range\u201d,
                K. Nakama, M. Yukimune, N. Kawasaki, A. Higo, S. Hiura, A. Murayama, M. Jansson, W. M. Chen, I. A. Buyanova, F. Ishikawa:
                Applied Physics Letters 123<\/strong>, 081104:1-6 (2023).                 [doi]<\/a> [PRESS RELEASE]<\/a><\/li>\n\n\n\n
              7. \u201cVapor\u2010Induced Assembly of a Platinum(II) Complex Loaded on Layered Double Hydroxide Nanoparticles\u201d,
                T. Morimoto, M. Yoshida, A. Sato-Tomita, S. Nozawa, J. Takayama, S. Hiura, A. Murayama, A. Kobayashi, M. Kato:
                Chemistry \u2013 A European Journal 29<\/strong>, e202301993:1-8 (2023).                 [doi]<\/a><\/li>\n\n\n\n
              8. \u201cRoom-temperature electric field control of spin filtering efficiency for enhanced modulation of optical spin polarization in a defect-functional 0D-2D hybrid nanostructure\u201d,
                S. Park, S. Hiura, H. Kise, J. Takayama, K. Sueoka, A. Murayama:
                Nanoscale 15<\/strong>, 16784-16794 (2023).                 [doi]<\/a><\/li>\n\n\n\n
              9. \u201cEffect of dilute nitride GaNAs quantum well thickness on spin amplification dynamics of tunnel coupled InAs quantum dots\u201d,
                S. Sato, S. Hiura, J. Takayama, A. Murayama:
                Applied Physics Letters 123<\/strong>, 232405:1-7 (2023).                 [doi]<\/a><\/li>\n\n\n\n
              10. \u201cHigh-temperature efficient luminescence of dilute-nitride InGaAsN quantum dots with deep electron potential\u201d,
                A. Morita, S. Hiura, J. Takayama, A. Murayama:
                Journal of Applied Physics 134<\/strong>, 224303:1-9 (2023).                 [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                International conference<\/strong><\/h4>\n\n\n\n
                  \n
                1. “Electric-field effects on optical spin polarization in III-V semiconductor quantum-dot-superlattice hybrid nanostructure”,
                  H. Kise, S. Park, S. Hiura, J. Takayama, K. Sueoka, A. Murayama:
                  The 9th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2023), F-4, June 6, 2023, Ishikawa Industrial Promotion Center, Kanazawa, JAPAN.
                  (selected as a Student Award)<\/strong><\/em><\/span><\/li>\n\n\n\n
                2. \u201cCircularly polarized light detection characteristics of spin photodiode based on a dilute nitride GaNAs spin filter\u201d,
                  T. Hioki, K. Etou, S. Hiura, J.Takayama, A. Subagyo, K. Sueoka, A. Murayama,
                  36th International Microprocesses and Nanotechnology Conference (MNC 2023), 17P-1-13, November 17, 2023, Keio Plaza Hotel Sapporo, Sapporo, JAPAN.<\/li>\n\n\n\n
                3. \u201cRoom-temperature electron spin transport to InAs quantum dots using a dilute nitride GaNAs\/GaAs superlattice barrier”,
                  M. Hosoe, S. Sato, S. Hiura, J. Takayama, A. Murayama,
                  36th International Microprocesses and Nanotechnology Conference (MNC 2023), 17P-1-33, November 17, 2023, Keio Plaza Hotel Sapporo, Sapporo, JAPAN.<\/li>\n\n\n\n
                4. \u201cTemperature dependence of photoluminescence properties of dilute nitride InGaAsN quantum dots”,
                  A. Morita, S. Hiura, J. Takayama, A. Murayama,
                  36th International Microprocesses and Nanotechnology Conference (MNC 2023), 17P-1-37, November 17, 2023, Keio Plaza Hotel Sapporo, Sapporo, JAPAN.
                  (selected as a Most Impressive Poster Award)<\/strong><\/em><\/span><\/li>\n\n\n\n
                5. \u201cRoom temperature operation of spin-functional optical devices based on 0D-2D hybrid semiconductor nanostructures”,
                  A. Murayama, S. Hiura,
                  36th International Microprocesses and Nanotechnology Conference (MNC 2023) (Invited talk)<\/strong>, 16D-3-1, November 16, 2023, Keio Plaza Hotel Sapporo, Sapporo, JAPAN.<\/li>\n<\/ol>\n\n\n\n
                  \n\n\n\n

                  2022<\/strong><\/h2>\n\n\n\n

                  Publication<\/strong><\/h4>\n\n\n\n
                    \n
                  1. \u201cThermo- and Mechano-triggered Luminescence ON\/OFF Switching by Supercooled Liquid\/Crystal Transition of Platinum(II) Complex Thin Films\u201d,
                    M. Yoshida, V. S\u00e4\u00e4sk, D. Saito, N. Yoshimura, J. Takayama, S. Hiura, A. Murayama, K. P\u00f5hako-Esko, A. Kobayashi, M. Kato:
                    Advanced Optical Materials 10<\/strong>, 2102614:1-9 (2022).                     [doi]<\/a><\/li>\n\n\n\n
                  2. \u201cElliptic vector loci of average electron velocity of electron swarm in constant-collision-frequency model gas under ac electric and dc magnetic fields crossed at arbitrary angles\u201d,
                    H. Sugawara, Y. Nakata:
                    The European Physical Journal D 76<\/strong>, 32:1-11 (2022).                     [doi]<\/a><\/li>\n\n\n\n
                  3. \u201cOptical characterization and emission enhancement property of Ag nanomesh structure fabricated by nanosphere lithography\u201d,
                    M. Ugajin, S. Park, T. Kiba, J. Takayama, S. Hiura, A. Murayama, M. Kawamura, Y. Abe:
                    Surface and Coatings Technology 435<\/strong>, 128258:1-8 (2022).                     [doi]<\/a><\/li>\n\n\n\n
                  4. \u201cEfficient Room-Temperature Voltage Control of Picosecond Optical Spin Orientation Using a III-V Semiconductor Nanostructure\u201d,
                    S. Park, S. Hiura, J. Takayama, K. Sueoka, A. Murayama:
                    Advanced Electronic Materials 8<\/strong>, 2200588:1-8 (2022).                     [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                    International conference<\/strong><\/h4>\n\n\n\n
                      \n
                    1. “Thickness effects of dilute GaAs nitride quantum wells on optical spin properties of tunnel-coupled InAs quantum dots”,
                      S. Sato, M. Hosoe, S. Hiura, J. Takayama, A. Murayama:
                      The 22nd International Vacuum Congress (IVC-22), Tue-J2-5, September 13, 2022, Sapporo Convention Center, Sapporo, JAPAN.<\/li>\n\n\n\n
                    2. “Structural and optical properties of InAs quantum dots capped with GaAs grown at different rates”,
                      S. Izumi, S. Hiura, J. Takayama, A. Murayama:
                      The 22nd International Vacuum Congress (IVC-22), Tue-PO1-36, September 13, 2022, Sapporo Convention Center, Sapporo, JAPAN.<\/li>\n\n\n\n
                    3. \u201cRoom-temperature operation characteristics of a spin-polarized light-emitting diode using InAs quantum dots tunnel-coupled with GaNAs\u201d,
                      K. Etou, S. Hiura, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama,
                      2022 International Conference on Solid State Devices and Materials (SSDM2022), A-6-05, September 28, 2022, Makuhari Messe, Chiba, JAPAN.<\/li>\n\n\n\n
                    4. \u201cBias voltage and temperature dependence of electron-spin polarization in InAs quantum dots tunnel-coupled with a GaNAs quantum well\u201d,
                      S. Park, H. Kise, S. Hiura, J. Takayama, K. Sueoka, A. Murayama,
                      2022 International Conference on Solid State Devices and Materials (SSDM2022), C-8-04, September 29, 2022, Makuhari Messe, Chiba, JAPAN.<\/li>\n<\/ol>\n\n\n\n
                      \n\n\n\n

                      2021<\/strong><\/h2>\n\n\n\n

                      Publication<\/strong><\/h4>\n\n\n\n
                        \n
                      1. \u201cA technology demonstration of propagator matrix power method for calculation of electron velocity distribution functions in gas in long-term transient and succeeding equilibrium states under dc electric fields\u201d,
                        H. Sugawara, H. Iwamoto:
                        Japanese Journal of Applied Physics 60<\/strong>, 046001:1-7 (2021).                         [doi]<\/a><\/li>\n\n\n\n
                      2. \u201cElectric-Field-Effect Spin Switching with an Enhanced Number of Highly Polarized Electron and Photon Spins Using p\u2011Doped Semiconductor Quantum Dots\u201d,
                        S. Park, H. Chen, S. Hiura, J. Takayama, K. Sueoka, A. Murayama:
                        ACS Omega 6<\/strong>, 8561-8569 (2021).                         [doi]<\/a><\/li>\n\n\n\n
                      3. \u201cRoom-temperature electron spin polarization exceeding 90% in an opto-spintronic semiconductor nanostructure via remote spin filtering\u201d,
                        Y. Q. Huang, V. Poloj\u00e4rvi, S. Hiura, P. H\u00f6jer, A. Aho, R. Isoaho, T. Hakkarainen, M. Guina, S. Sato, J. Takayama, A. Murayama, I. A. Buyanova, W. M. Chen:
                        Nature Photonics 15<\/strong>, 475-482 (2021).                         [doi] <\/a>[PRESS RELEASE]<\/a><\/li>\n\n\n\n
                      4. \u201cRoom-Temperature Spin-Transport Properties in an In0.5Ga0.5As Quantum Dot Spin-Polarized Light-Emitting Diode\u201d,
                        K. Etou, S. Hiura, S. Park, K. Sakamoto, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama:
                        Physical Review Applied 16<\/strong>, 014034:1-10 (2021).                         [doi] <\/a>[PRESS RELEASE]<\/a><\/li>\n<\/ol>\n\n\n\n

                        International conference<\/strong><\/h4>\n\n\n\n
                          \n
                        1. “Photoelectric spin information conversion using semiconductor quantum dot”,
                          S. Hiura, J. Takayama, A. Murayama:
                          Joint Symposium of Engineering & Information Science & WPI-ICReDD in Hokkaido University (Invited talk)<\/strong>, April 26, 2021, Online.<\/li>\n\n\n\n
                        2. \u201cElectric-field control of electron-spin polarization degree at room temperature in opto-spintronic device using InGaAs quantum dots\u201d,
                          S. Park, S. Hiura, H. Chen, J. Takayama, K. Sueoka, A. Murayama,
                          2021 International Conference on Solid State Devices and Materials (SSDM2021), I-1-06, Online.<\/li>\n\n\n\n
                        3. \u201cOptical spin properties of InAs quantum dots tunnel-coupled with dilute nitride GaNAs\u201d,
                          S. Sato, Y. Nakamura, S. Park, S. Hiura, J. Takayama, A. Murayama,
                          2021 International Conference on Solid State Devices and Materials (SSDM2021), H-4-04, Online.<\/li>\n\n\n\n
                        4. \u201cTemperature effects on performances of a spin-polarized light emitting diode using p-doped InGaAs quantum dots\u201d,
                          K. Etou, S. Hiura, J. Takayama, S. Park, A. Subagyo, K. Sueoka, A. Murayama,
                          2021 International Conference on Solid State Devices and Materials (SSDM2021), E-5-03, Online.<\/li>\n<\/ol>\n\n\n\n
                          \n\n\n\n

                          2020<\/strong><\/h2>\n\n\n\n

                          Publication<\/strong><\/h4>\n\n\n\n
                            \n
                          1. \u201cElliptic Vector Loci of Average Electron Velocity in Real Gases Under AC Electric and DC Magnetic Fields\u201d,
                            Y. Nakata, T. Sato, H. Sugawara:
                            IEEE Transactions on Plasma Science 49<\/strong>, 83-90 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          2. \u201cTemperature dependence of inter-dot electron-spin transfer among laterally coupled excited states in high-density InGaAs quantum dots\u201d,
                            S. Sato, S. Hiura, J. Takayama, A. Murayama:
                            Journal of Applied Physics 127<\/strong>, 043904:1-7 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          3. \u201cStochastic electron energy gain under sheath electric field near sidewall of chamber to drive inductively coupled magnetized plasmas\u201d,
                            H. Takahashi, H. Sugawara:
                            Japanese Journal of Applied Physics 59<\/strong>, 036001:1-6 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          4. \u201cSize Dependence of Emission Enhancement of Tris(8-hydroxyquinolinato) aluminum with Plasmonic Al Nanostructure\u201d,
                            N. Iijima, M. Ugajin, T. Kiba, M. Kawamura, Y. Abe, K.H. Kim, A. Higo, J. Takayama, S. Hiura, A. Murayama:
                            Thin Solid Films 700<\/strong>, 137920:1-6 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          5. \u201cSuppression of thermally excited electron-spin relaxation in InGaAs quantum dots using p-doped capping layers toward enhanced room-temperature spin polarization\u201d,
                            S. Sato, S. Hiura, J. Takayama, A. Murayama:
                            Applied Physics Letters 116<\/strong>, 182401:1-5 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          6. \u201cAsymmetric spin relaxation induced by residual electron spin in semiconductor quantum-dot-superlattice hybrid nanosystem\u201d,
                            S. Hiura, S. Hatakeyama, J. Takayama, A. Murayama:
                            Applied Physics Letters 116<\/strong>, 262407:1-5 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          7. \u201cIntense Red-Blue Luminescence Based on Superfine Control of Metal-Metal Interactions for Self-Assembled Platinum(II) Complexes\u201d,
                            D. Saito, T. Ogawa, M. Yoshida, J. Takayama, S. Hiura, A. Murayama, A. Kobayashi, M. Kato:
                            Angewandte Chemie International Edition 59<\/strong>, 18723-18730 (2020).                             [doi]<\/a><\/li>\n\n\n\n
                          8. \u201cHighly Efficient Room-Temperature Electron-Photon Spin Conversion Using a Semiconductor Hybrid Nanosystem with Gradual Quantum Dimensionality Reduction\u201d,
                            S. Hiura, M. Takishita, J. Takayama, S. Sato, A. Murayama:
                            Physical Review Applied 14<\/strong>, 044011:1-9 (2020).                             [doi] <\/a>[PRESS RELEASE]<\/a><\/li>\n<\/ol>\n\n\n\n

                            International conference<\/strong><\/h4>\n\n\n\n
                              \n
                            1. \u201cElectron-spin dynamics in tunnel-coupled structures of InGaAs well and dot with different p-doping concentrations applied with electric field\u201d,
                              S. Park, H. Chen, S. Hiura, J. Takayama, A. Murayama,
                              2020 International Conference on Solid State Devices and Materials (SSDM2020), H-4-02, Online.<\/li>\n\n\n\n
                            2. \u201cSpin relaxation property after spin transfer from a semiconductor superlattice barrier to quantum dots\u201d,
                              S. Hatakeyama, S. Hiura, J. Takayama, A. Murayama,
                              2020 International Conference on Solid State Devices and Materials (SSDM2020), K-5-04, Online.<\/li>\n\n\n\n
                            3. \u201cHighly efficient electron-photon spin conversion using InGaAs quantum dots with p-doped capping barrier\u201d,
                              S. Sato, S. Hiura, J. Takayama, A. Murayama,
                              2020 International Conference on Solid State Devices and Materials (SSDM2020), K-5-03, Online.<\/li>\n\n\n\n
                            4. \u201cFabrication of p-doped quantum dot spin-polarized light-emitting diodes\u201d,
                              K. Etou, S. Hiura, J. Takayama, A. Murayama,
                              2020 International Conference on Solid State Devices and Materials (SSDM2020), H-8-02, Online<\/li>\n<\/ol>\n\n\n\n
                              \n\n\n\n

                              2019<\/strong><\/h2>\n\n\n\n

                              Publication<\/strong><\/h4>\n\n\n\n
                                \n
                              1. \u201cInterdot carrier and spin dynamics in a two-dimensional high-density quantum-dot array of InGaAs with quantum dots embedded as local potential minima\u201d,
                                S. Hiura, M. Urabe, K. Takeishi, K. Itabashi, J. Takayama, T. Kiba, K. Sueoka, A. Murayama:
                                Semiconductor Science and Technology 34<\/b>, 025001:1-7 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              2. \u201cEmission enhancement of tris(8-quinolinolato)aluminum with Al nanotriangle arrays fabricated by nanosphere lithography<\/span>\u201d,
                                T. Kiba, N. Iijima, K. Yanome, M. Kawamura, Y. Abe, K.-H. Kim, M. Takase, A. Higo, J. Takayama, S. Hiura, A. Murayama:
                                Applied Surface Science 478, <\/b>49-53 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              3. \u201cQuantum spin transport to semiconductor quantum dots through superlattice\u201d,
                                S. Hiura, K. Itabashi, K. Takeishi, J. Takayama, T. Kiba, A. Murayama:
                                Applied Physics Letters 114<\/b>, 072406:1-5 (2019).                                 [doi]<\/a>
                                (selected as an Editor’s Pick)<\/strong><\/em><\/span><\/li>\n\n\n\n
                              4. \u201cElectric field control of spin polarity in spin injection into InGaAs quantum dots from a tunnel-coupled quantum well\u201d,
                                H. Chen, S. Hiura, J. Takayama, S. Park, K. Sueoka, A. Murayama:
                                Applied Physics Letters 114<\/b>, 133101:1-5 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              5. \u201cElectron-transfer-induced metallic electronic states in H\/Fe3O4(001) film subsurface\u201d,
                                S. Hiura, A. Subagyo, A. Murayama, K. Sueoka:
                                Applied Physics Express, 12<\/b>, 055502:1-5 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              6. \u201cConfiguration of propagator method for calculation of electron velocity distribution function in gas under crossed electric and magnetic fields\u201d,
                                H. Sugawara:
                                Plasma Science and Technology 21<\/b>, 094001:1-18 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              7. \u201cLayer-selective spin amplification in size-modulated quantum nanocolumn\u201d,
                                S. Hiura, S. Saito, J. Takayama, T. Kiba, A. Murayama:
                                Applied Physics Letters 115<\/b>, 013102:1-5 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              8. \u201cPhotoluminescence of InGaAs\/GaAs Quantum Nanodisk in Pillar Fabricated by Biotemplate, Dry Etching, and MOVPE Regrowth<\/span>\u201d,
                                A. Higo, T. Kiba, J. Takayama, C.-Y. Lee, C. Thomas, T. Ozaki, H. Sodabanlu, M. Sugiyama, Y. Nakano, I. Yamashita, A. Murayama, S. Samukawa:
                                ACS Applied Electronic Materials 1<\/b>, 1945-1951 (2019).                                 [doi] <\/a>[PRESS RELEASE]<\/a><\/li>\n\n\n\n
                              9. \u201cDerivation of the electron drift velocity vector in gas under crossed ac electric and dc magnetic fields assuming constant-collision-frequency models\u201d,
                                H. Sugawara:
                                Japanese Journal of Applied Physics 58<\/b>, 108002:1-4 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              10. \u201cPhase-resolved profile of electron energy deposition in inductively coupled radio-frequency plasmas driven under confronting divergent magnetic fields\u201d,
                                K. Nakashima, H. Takahashi, H. Sugawara:
                                Japanese Journal of Applied Physics 58<\/b>, 116001:1-11 (2019).                                 [doi]<\/a><\/li>\n\n\n\n
                              11. \u201cEnhanced hetero-dimensional electron-spin injection in a resonantly tunnel-coupled InGaAs quantum dot\u2013well nanosystem\u201d,
                                H. Chen, S. Hiura, J. Takayama, S. Park, K. Sueoka, A. Murayama:
                                Applied Physics Express 13<\/b>, 015003:1-5 (2019).                                 [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                                International conference<\/strong><\/h4>\n\n\n\n
                                  \n
                                1. \u201cSpin-conserved electron transport to InGaAs quantum dots through GaAs\/AlGaAs superlattice<\/span>\u201d,
                                  S. Hiura, J. Takayama, T. Kiba, A. Murayama,
                                  Compound Semiconductor Week 2019 (CSW2019), MoP-E-8, May 20, 2019, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                2. \u201cElectric-field control of optical-spin injection from an InGaAs quantum well to p-doped quantum dots<\/span>\u201d,
                                  S. Park, H. Chen, J. Takayama, S. Hiura, A. Murayama,
                                  Compound Semiconductor Week 2019 (CSW2019), MoP-D-1, May 20, 2019, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                3. \u201cEffects of p-doping on excited spin states and the dynamics in InGaAs quantum dots<\/span>\u201d,
                                  S. Sato, M. Murakami, Y. Nakamura, S. Hiura, J. Takayama, A. Murayama,
                                  Compound Semiconductor Week 2019 (CSW2019), MoP-E-9, May 20, 2019, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                4. \u201cEffects of growth temperature of a capping layer on excited spin properties of In0.5Ga0.5As quantum dots<\/span>\u201d,
                                  Y. Nakamura, S. Hiura, S. Sato, J. Takayama, A. Murayama,
                                  Compound Semiconductor Week 2019 (CSW2019), TuP-A-4, May 21, 2019, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                5. \u201cLateral electronic coupling among self-assembled semiconductor
                                  quantum dots promoted by adjoining tunnel-coupled quantum-well
                                  potentials\u201d,
                                  J. Takayama, S. Hiura, K. Takeishi, T. Kiba, A. Murayama,
                                  Compound Semiconductor Week 2019 (CSW2019), TuC3-6, May 21, 2019, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                6. \u201cP-doping effects on temperature-dependent spin dynamics in InGaAs quantum dots<\/span>\u201d,
                                  S. Sato, S. Hiura, J. Takayama, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), P-01, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.
                                  (selected as a Best Poster Award)<\/strong><\/em><\/span><\/li>\n\n\n\n
                                7. \u201cTemperature-dependent spin dynamics in InGaAs quantum dots embedded with GaAs capping layer grown at low temperature<\/span>\u201d,
                                  Y. Nakamura, S. Hiura, S. Sato, J. Takayama, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), P-05, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.<\/li>\n\n\n\n
                                8. \u201cElectric-field-effect optical spin-injection device using p-doped InGaAs quantum dots<\/span>\u201d,
                                  S. Park, H. Chen, S. Hiura, J. Takayama, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), P-02, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.
                                  (selected as a Best Poster Award)<\/strong><\/em><\/span><\/li>\n\n\n\n
                                9. \u201cTemperature-persistent spin relaxation in InGaAs\/GaAs dots-in-well structure<\/span>\u201d,
                                  M. Takishita, S. Hiura, J. Takayama, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), P-04, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.<\/li>\n\n\n\n
                                10. \u201cTemperature dependence of modal gain at excited states in high-density InGaAs quantum dots by variable stripe length method<\/span>\u201d,
                                  A. Ohtake, S. Hiura, J. Takayama, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), P-03, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.<\/li>\n\n\n\n
                                11. \u201cSize-modulation-induced spin amplification in quantum nanocolumns<\/span>\u201d,
                                  S. Hiura, S. Saito, J. Takayama, T. Kiba, A. Murayama,
                                  7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), O-05, September 25, 2019, Convention Hall of Integrated Research Center, Kobe University, Kobe, JAPAN.<\/li>\n\n\n\n
                                12. \u201cQuantum spin transport to self-assembled InGaAs quantum dots through AlGaAs\/GaAs superlattice<\/span>\u201d,
                                  S. Hiura, J. Takayama, T. Kiba, A. Murayama,
                                  Materials Research Meeting (MRM2019), E2-11-P18, December 11, 2019, Yokohama Symposia, Yokohama, JAPAN.<\/li>\n<\/ol>\n\n\n\n
                                  \n\n\n\n

                                  2018<\/strong><\/h2>\n\n\n\n

                                  Publication<\/strong><\/h4>\n\n\n\n
                                    \n
                                  1. \u201cTime-resolved photoluminescence study of tris(8-hydroxyquinolinato) aluminium with surface plasmon resonance of Ag nanoparticles\u201d,
                                    K. Masui, T. Kiba, A. Sato, K. Yanome, M. Kawamura, Y. Abe, K.H. Kim, H.D. Kim, J. Takayama, A. Murayama:
                                    Thin Solid Films 660<\/b>, 938-943 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  2. \u201cPhotoluminescence enhancement of tris(8-hydroxyquinolinato) aluminum thin film by plasmonic Ag nanotriangle array fabricated by nanosphere lithography\u201d,
                                    K. Yanome, T. Kiba, K. Masui, M. Kawamura, Y. Abe, K.H. Kim, M. Takase, J. Takayama, A. Murayama:
                                    Thin Solid Films 660<\/b>, 907-912 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  3. “A computational scheme of propagator method for moment equations to derive real-space electron transport coefficients in gas under crossed electric and magnetic fields”,
                                    H. Sugawara:
                                    IEEE Transactions on Plasma Science 47<\/strong>, 1071-1082 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  4. “Efficiency and limitation of periodic sample multiplication to reduce computational load in Monte Carlo simulations of electron swarms in gas under attachment-dominated conditions”,
                                    H. Sugawara:
                                    Japanese Journal of Applied Physics 57<\/strong>, 038001:1-3 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  5. “Effect of a Phonon Bottleneck on Exciton and Spin Generation in Self-Assembled In1-x<\/sub>Gax<\/sub>As Quantum Dots”,
                                    Y. Q. Huang, I. A. Buyanova, X. J. Yang, A. Murayama, W. M. Chen:
                                    Physical Review Applied 9<\/strong>, 044037:1-9 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  6. “\u5206\u5b50\u7dda\u30a8\u30d4\u30bf\u30ad\u30b7\u30fc\u306b\u3088\u308b\u534a\u5c0e\u4f53\u81ea\u5df1\u7d44\u7e54\u5316\u91cf\u5b50\u30c9\u30c3\u30c8\u306e\u4f5c\u88fd\u3068\u5149\u52b1\u8d77\u30ad\u30e3\u30ea\u30a2\u30c0\u30a4\u30ca\u30df\u30af\u30b9”,
                                    \u6751\u5c71 \u660e\u5b8f, \u9ad8\u5c71 \u7d14\u4e00, \u6a0b\u6d66 \u8aed\u5fd7, \u6728\u5834 \u9686\u4e4b:
                                    (\u4f9d\u983c\u89e3\u8aac) \u8868\u9762\u3068\u771f\u7a7a 61<\/b>, 315-324 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  7. \u201cMagnetic field insensitive photoluminescence decay of ZnSe\/CdS core\/shell type-II colloidal quantum dots\u201d,
                                    W. Lee, S. Park, A. Murayama, J. Lee, K. Kyhm:
                                    Japanese Journal of Applied Physics 57<\/strong>, 06HE06:1-4 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  8. \u201cTemperature-dependent radiative and non-radiative dynamics of photo-excited carriers in extremely high-density and small InGaN nanodisks fabricated by neutral-beam etching using bio-nano-templates\u201d,
                                    Y. Chen, T. Kiba, J. Takayama, A. Higo, T. Tanikawa, S. Chen, S. Samukawa, A. Murayama:
                                    Journal of Applied Physics 123<\/strong>, 204305:1-6 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  9. “Temperature dependence of the radiative recombination time in laterally coupled GaAs quantum dots”,
                                    H. Kim, A. Murayama, J. Kim, J. Song:
                                    Applied Surface Science 457<\/b>, 497-500 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  10. “Interdot spin transfer dynamics in laterally coupled excited spin ensemble of high-density InGaAs quantum dots”,
                                    S. Hiura, K. Takeishi, M. Urabe, K. Itabashi, J. Takayama, T. Kiba, K. Sueoka, A. Murayama:
                                    Applied Physics Letters 113<\/strong>, 023104:1-5 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  11. “Carrier Relaxation Dynamics Between Localized Vertical Confinement States in GaAs\/AlGaAs Quantum Rings”,
                                    S. Park, J. Kim, J. Takayama, A. Murayama, K. Kyhm:
                                    Journal of the Korean Physical Society 73<\/b>, 314-319 (2018).                                     [doi]<\/a><\/li>\n\n\n\n
                                  12. “Persistent high polarization of excited spin ensembles during light emission in semiconductor quantum-dot-well hybrid nanosystems”,
                                    K. Takeishi, S. Hiura, J. Takayama, K. Itabashi, M. Urabe, A. Washida, T. Kiba, A. Murayama:
                                    Physical Review Applied 10<\/strong>, 034015:1-8 (2018).                                     [doi] <\/a>[PRESS RELEASE]<\/a><\/li>\n\n\n\n
                                  13. “Stochastic electron energy gain accompanying electron reflection at chamber wall in inductively coupled magnetized plasmas”,
                                    H. Takahashi, K. Nakashima, T. Yamamoto, H. Sugawara:
                                    Japanese Journal of Applied Physics 57<\/strong>, 126101:1-7 (2018).                                     [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                                    International conference<\/strong><\/h4>\n\n\n\n
                                      \n
                                    1. \u201cPersistent high spin polarization induced by interdot spin transfer among coupled excited states of InGaAs quantum dots\u201d,
                                      S. Hiura, K. Takeishi, A. Washida, J. Takayama, A. Ohtake, M. Takishita, S. Saito, A. Murayama,
                                      The 12th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials (EXCON2018), O27, July 10, 2018, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                    2. \u201cInfluence of vertical interdot coupling on energy-dependent modal gain of InGaAs quantum dots\u201d,
                                      A. Ohtake, A. Washida, S. Hiura, J. Takayama, M. Takishita, S. Saito, A. Murayama,
                                      The 12th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials (EXCON2018), PO044, July 10, 2018, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                    3. \u201cTemperature-dependent spin dynamics in InGaAs\/GaAs dots-in-well structure\u201d,
                                      M. Takishita, K. Takeishi, S. Hiura, J. Takayama, A. Washida, A. Ohtake, S. Saito, A. Murayama,
                                      The 12th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials (EXCON2018), PO110, July 12, 2018, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                    4. \u201cHigh-temperature carrier dynamics responsible for a non-radiative process in InGaN nanodisks fabricated by top-down nanotechnology\u201d,
                                      Y. Chen, T. Kiba, J. Takayama, A. Higo, T. Tanikawa, S. Samukawa, A. Murayama,
                                      The 12th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials (EXCON2018), PO115, July 12, 2018, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                    5. \u201cEffects of electrical field on circularly polarized photoluminescence in InGaAs-based coupled nanostructures of quantum dots and a well\u201d,
                                      H. Chen, J. Takayama, S. Hiura, A. Subagyo, K. Sueoka, A. Murayama,
                                      The 12th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials (EXCON2018), PO120, July 12, 2018, Nara Kasugano International Forum, Nara, JAPAN.<\/li>\n\n\n\n
                                    6. \u201cElectron-spin transport and spin relaxation in III-V compound semiconductor barrier layers integrated with self-assembled quantum dots\u201d,
                                      A. Murayama, S. Hiura, J. Takayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, O-1, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    7. \u201cInterdot spin transfer dynamics in vertically coupled InGaAs quantum dots\u201d,
                                      S. Hiura, J. Takayama, T. Kiba, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, O-2, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    8. \u201cElectric-field effects on spin polarity of In0.5Ga0.5As quantum dots after spin injection from In0.1Ga0.9As quantum wells\u201d,
                                      H. Chen, J. Takayama, S. Hiura, K. Sueoka, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, O-5, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    9. \u201cTemperature dependence of spin dynamics at laterally coupled excited states of InGaAs quantum dots\u201d,
                                      S. Sato, S. Hiura, J. Takayama, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, P-1, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    10. \u201cInfluence of multilayer stacking on spin dynamics at excited states of vertically coupled InGaAs quantum dots\u201d,
                                      S. Saito, S. Hiura, J. Takayama, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, P-4, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    11. \u201cInvestigation of modal gain at excited states in high-density InGaAs quantum dots by variable stripe length method\u201d,
                                      A. Ohtake, S. Hiura, J. Takayama, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, P-6, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    12. \u201cTemperature-dependent spin polarization and its dynamics in InGaAs quantum dots embedded in a GaAs quantum well\u201d,
                                      M. Takishita, S. Hiura, J. Takayama, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, P-9, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    13. \u201cDistribution analysis of photoluminescence decay time and related non-radiative processes in In0.3Ga0.7N nanodisks\u201d,
                                      Y. Chen, T. Kiba, J. Takayama, A. Murayama,
                                      2nd JSPS workshop on Japan-Sweden frontiers in photon and spin functionalities of nanomaterials, P-11, October 24, 2018, Sekisuitei, Noboribetsu, JAPAN.<\/li>\n\n\n\n
                                    14. \u201cExcited Spin Engineering of In0.5Ga0.5As Quantum Dots by an Adjacent Two-Dimensional In0.1Ga0.9As Quantum Well Potential\u201d,
                                      S. Hiura, K. Takeishi, J. Takayama, T. Kiba, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 14D-2-2, November 14, 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n\n\n\n
                                    15. \u201cOptical Study on Thermal Activation Processes of Carrier Dynamics in In0.3Ga0.7N Nanodisks\u201d,
                                      Y. Chen, T. Kiba, J. Takayama, A.Higo, T. Tanikawa, S. Samukawa, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 15P-7-51, November 15, 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n\n\n\n
                                    16. \u201cModal Gain at Excited States in High-Density InGaAs Quantum Dots Investigated by Variable Stripe Length Method\u201d,
                                      A. Ohtake, S. Hiura, A. Washida, J. Takayama, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 15P-7-52, November 15 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n\n\n\n
                                    17. \u201cTemperature-Persistent High Spin Polarization and Its Dynamics in InGaAs Quantum Dots Embedded in a GaAs Quantum Well\u201d,
                                      M. Takishita, S. Hiura, J. Takayama, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 15P-7-53, November 15, 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n\n\n\n
                                    18. \u201cElectric-Field Optical Device Controlling Electron-Spin Polarity of InGaAs Quantum Dots\u201d,
                                      H. Chen, J. Takayama, S. Hiura, K. Sueoka, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 16P-11-16, November 16, 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n\n\n\n
                                    19. \u201cTemperature Dependence of Interdot Spin Dynamics in Laterally Coupled InGaAs Quantum Dots\u201d,
                                      S. Sato, S. Hiura, J. Takayama, A. Murayama,
                                      31st International Microprocesses and Nanotechnology Conference (MNC 2018), 16P-11-64, November 16, 2018, Sapporo Park Hotel, Sapporo, JAPAN.<\/li>\n<\/ol>\n\n\n\n
                                      \n\n\n\n

                                      2017<\/strong><\/h2>\n\n\n\n

                                      Publication<\/strong><\/h4>\n\n\n\n
                                        \n
                                      1. \u201cDirect observation of subsurface charge ordering in Fe3<\/sub>O4<\/sub>(001) by scanning tunneling microscopy\/spectroscopy\u201d,
                                        S. Hiura, A. Ikeuchi, M. Jochi, R. Yamazaki, S. Takahashi, A. Subagyo, A. Murayama, K. Sueoka:
                                        Applied Physics Express 10<\/strong>, 045701:1-3 (2017).                                         [doi]<\/a><\/li>\n\n\n\n
                                      2. \u201cA relaxation-accelerated propagator method for calculations of electron energy distribution function and electron transport parameters in gas under dc electric fields\u201d,
                                        H. Sugawara:
                                        Plasma Sources Science and Technology 26<\/strong>, 044002:1-16 (2017).                                         [doi]<\/a><\/li>\n\n\n\n
                                      3. \u201cSpectroscopic and Photoluminescent Properties of Indium Zinc Oxide (IZO) and IZO\/Ag\/IZO Sandwiched Film\u201d,
                                        K. Yanome, T. Kiba, M. Kawamura, Y. Abe, K.H. Kim, J. Takayama, A. Murayama:
                                        Journal of ELECTRONIC MATERIALS 46<\/b>, 3873-3879 (2017).                                         [doi]<\/a><\/li>\n\n\n\n
                                      4. “Optical Study of Sub-10 nm In0.3<\/sub>Ga0.7<\/sub>N Quantum Nanodisks in GaN Nanopillars”,
                                        A. Higo, T. Kiba, S. Chen, Y. Chen, T. Tanikawa, C. Thomas, C.Y. Lee, Y.C. Lai, T. Ozaki, J. Takayama, I. Yamashita, A. Murayama, S. Samukawa:
                                        ACS Photonics 4<\/b>, 1851-1857 (2017).                                         [doi]<\/a><\/li>\n\n\n\n
                                      5. “Excitation polarization dependence of optical coupled exciton states in a single coupled quantum dot molecule”,
                                        H. Kim, A. Murayama, K. Kyhm, J. Kim, J. Song, K.C. Je:
                                        Journal of Physics: Conference Series 906<\/strong>, 012006:1-4 (2017).                                         [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                                        International conference<\/strong><\/h4>\n\n\n\n
                                          \n
                                        1. \u201cOptically coupled excitons in a single coupled-quantum-dot structure via dipole-dipole interaction\u201d,
                                          H. D. Kim, A. Murayama, K. Kyhm, R. A. Taylor, J. S. Kim,
                                          20th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON20), TuP03, July 18, 2017, Hyatt Regency Buffalo Hotel and Conference Center, Buffalo, USA.<\/li>\n\n\n\n
                                        2. \u201cSpin-functional photoelectric conversion using InGaAs quantum dots\u201d,
                                          Akihiro Murayama,
                                          STINT\/JSPS summer workshop 2017, August 10, 2017, Viking line cruise between Stockholm-Helsinki, Sweden-Finland.<\/li>\n\n\n\n
                                        3. \u201cOptical spin-injection dynamics in high-density InGaAs quantum dot\u201d,
                                          Satoshi Hiura,
                                          STINT\/JSPS summer workshop 2017, August 10, 2017, Viking line cruise between Stockholm-Helsinki, Sweden-Finland.<\/li>\n\n\n\n
                                        4. \u201cTime-resolved Photoluminescence Study of Alq3 Thin Film with Plasmonic Ag Nanotriangle Array Fabricated by Nanosphere Lithography\u201d,
                                          K. Yanome, T. Kiba, K. Masui, M. Kawamura, Y. Abe, K. H. Kim, M. Takase, J. Takayama, A. Murayama,
                                          International Thin Films Conference, B-P-0134, October 17, 2017, National Dong Hwa University, Hualien, TAIWAN.<\/li>\n\n\n\n
                                        5. \u201cEmission Enhancement and its dynamics of Alq3 with Surface Plasmon Resonance of Ag Nanoparticles\u201d,
                                          K. Masui, T. Kiba, A. Sato, K. Yanome, M. Kawamura, Y. Abe, K. H. Kim, H. D. Kim, J. Takayama, A. Murayama,
                                          International Thin Films Conference, C-P-0141, October 17, 2017, National Dong Hwa University, Hualien, TAIWAN.<\/li>\n\n\n\n
                                        6. \u201cEffect of Adsorbed H Atoms on Surface and Subsurface Fe Electronic States in Magnetite Film\u201d,
                                          Satoshi Hiura,
                                          7th Annual World Congress of Nano Science & Technology (Nano-S&T 2017), Session 202 (Invited talk)<\/strong>, October 24, 2017, Hilton Fukuoka Sea Hawk, Fukuoka, JAPAN.<\/li>\n\n\n\n
                                        7. “Spin transfer dynamics in III-V compound semiconductor quantum dots integrated with layered quantum structures”,
                                          Akihiro Murayama,
                                          The 30th International Microprocesses and Nanotechnology Conference (MNC2017) (Invited talk)<\/strong>, November 6-9, 2017, Ramada Plaza JeJu Hotel, Jeju, KOREA.<\/li>\n<\/ol>\n\n\n\n
                                          \n\n\n\n

                                          2016<\/strong><\/h2>\n\n\n\n

                                          Publication<\/strong><\/h4>\n\n\n\n
                                            \n
                                          1. \u201cTemperature-dependent spin injection dynamics in InGaAs\/GaAs quantum well-dot tunnel-coupled nanostructures\u201d,
                                            S.L. Chen, T. Kiba, X. J. Yang, J. Takayama, A. Murayama:
                                            Journal of Applied Physics 119<\/strong>, 115701:1-5 (2016).                                             [doi]<\/a><\/li>\n\n\n\n
                                          2. \u201cPower-dependent spin amplification in (In, Ga)As\/GaAs quantum well via Pauli blocking by tunnel-coupled quantum dot ensembles\u201d,
                                            S.L. Chen, T. Kiba, X. J. Yang, J. Takayama, A. Murayama:
                                            Applied Physics Letters 108<\/strong>, 152103:1-4 (2016).                                             [doi]<\/a><\/li>\n\n\n\n
                                          3. \u201cTemperature-Dependent Operation of GaAs Quantum Nanodisk LEDs with Asymmetric AlGaAs Barriers\u201d,
                                            Y. Tamura, A. Higo, T. Kiba, C. Thomas, J. Takayama, I. Yamashita, A. Murayama, S. Samukawa:
                                            IEEE TRANSACTIONS ON NANOTECHNOLOGY, 15<\/strong>, 557-562 (2016).                                             [doi]<\/a><\/li>\n\n\n\n
                                          4. \u201cFundamental study on filter effect of confronting divergent magnetic fields applied to low-pressure inductively coupled plasmas\u201d,
                                            H. Sugawara, S. Ogino:
                                            Japanese Journal of Applied Physics, 55<\/strong>, 07LD05:1-6 (2016).                                             [doi]<\/a><\/li>\n\n\n\n
                                          5. “Emission Enhancement in Indium Zinc Oxide(IZO)\/Ag\/IZO Sandwiched Structure Due to Surface Plasmon Resonance of Thin Ag Film”,
                                            T. Kiba, K. Yanome, M. Kawamura, Y. Abe, K.H. Kim, J. Takayama, A. Murayama:
                                            Applied Surface Science 389<\/b>, 906\u2013910 (2016).                                             [doi]<\/a><\/li>\n\n\n\n
                                          6. “Nanometer Scale Fabrication and Optical Response of InGaN\/GaN Quantum Disks”,
                                            L.Y. Chun, A. Higo, T. Kiba, C. Thomas, S.L. Chen, C.Y. Lee, T. Tanikawa, S. Kuboya, R. Katayama, K. Shojiki, J. Takayama, I. Yamashita, A. Murayama, G.C. Chi, P. Yu, S. Samukawa:
                                            Nanotechnology 27<\/strong>, 425401:1-5 (2016).                                             [doi]<\/a><\/li>\n<\/ol>\n\n\n\n

                                            International conference<\/strong><\/h4>\n\n\n\n
                                              \n
                                            1. \u201cTransient photoluminescence study on spin dynamics in InGaAs-based coupled nanostructures of quantum dots with quantum wells\u201d,
                                              K. Takeishi, S.L. Chen, J. Takayama, K. Itabashi, M. Urabe, A. Murayama,
                                              16th IEEE International Conference on Nanotechnology, No.41, August 23, 2016, Sendai International Center, Sendai, JAPAN.<\/li>\n\n\n\n
                                            2. \u201cGrowth optimization of spin-transport barriers used for spin-polarized light-emitting diodes based on InGaAs quantum dots\u201d,
                                              K. Itabashi, K. Takeishi, M. Urabe, J. Takayama, S.L. Chen, A. Murayama,
                                              16th IEEE International Conference on Nanotechnology, No.42, August 23, 2016, Sendai International Center, Sendai, JAPAN.<\/li>\n\n\n\n
                                            3. \u201cTransient photoluminescence in InGaN nano-disks fabricated by nano-scale neutral-beam etching utilizing bio-nano templates\u201d,
                                              Y. Chen, S.L. Chen, T. Kiba, C.Y. Lee, C. Thomas, Y.C. Lai, A. Higo, S. Samukawa, A. Murayama:
                                              16th IEEE International Conference on Nanotechnology, No.44, August 23, 2016, Sendai International Center, Sendai, JAPAN<\/li>\n\n\n\n
                                            4. \u201cUltrahigh-density self-assembled quantum dots of InGaAs and suppression of optical state-filling effect\u201d,
                                              M. Urabe, K. Takeishi, J. Takayama, K. Itabashi, S.L. Chen, A. Murayama,
                                              16th IEEE International Conference on Nanotechnology, No.54, August 23, 2016, Sendai International Center, Sendai, JAPAN<\/li>\n\n\n\n
                                            5. \u201cElectric-field control of spin states in InGaAs-based coupled nanostructures of quantum dots and well\u201d,
                                              Y. Akei, J. Takayama, K. Takeishi, K. Itabashi, M. Urabe, A. Murayama,
                                              16th IEEE International Conference on Nanotechnology, No.83, August 23, 2016, Sendai International Center, Sendai, JAPAN<\/li>\n\n\n\n
                                            6. \u201cPump-probe study of temperature-dependent spin relaxation in GaAs quantum disks fabricated by fully top-down lithography using Bio-templates\u201d,
                                              T. Kiba, T. Tanaka, A. Higo, C. Thomas, Y. Tamura, S. Samukawa, A. Murayama,
                                              16th IEEE International Conference on Nanotechnology, No.92, August 23, 2016, Sendai International Center, Sendai, JAPAN<\/li>\n\n\n\n
                                            7. “Optical spin-functional electronics utilizing semiconductor quantum dots; toward stable room-temperature operation”,
                                              A. Murayama, S.L. Chen, T. Kiba, J. Takayama, and K. Sueoka,
                                              JSPS workshop on Japan-Sweden frontiers in spin and photon functionalities of semiconductor nanostructures , p.4-5, August 30, 2016, Jyozankei Grand Hotel, Sapporo, Hokkaido, Japan<\/li>\n\n\n\n
                                            8. “Spin-Functional Photoelectric Conversion Utilizing III-V Compound Semiconductor Quantum Dots”
                                              Akihiro Murayama,
                                              6th Annual World Congress of Nano Science & Technology (Nano-S&T 2016), Session 102 (Invited talk)<\/strong>, October 27, 2016, Holiday Inn Singapore Atrium, Singapore<\/li>\n\n\n\n
                                            9. “Fabrication of GaAs quantum nanodisk by bio-template, neutral beam etching, and asymmetric AlGaAs barrier regrowth and its optical response”(Oral)
                                              A. Higo, Y. Chen, T. Kiba, C. Thomas, J. Takayama, A. Imoto, S. Miyazaki, T. Kamikawa, M. Tanaka, I. Yamashita, Y. Wang, H. Sodabanlu, M. Sugiyama, Y. Nakano, A. Murayama, S. Samukawa
                                              SPIE Photonics WEST 2017, 10116-25 (Oral presentation), 1 February 2017, San Francisco, USA.<\/li>\n<\/ol>\n\n\n\n
                                              \n\n\n\n

                                              2015<\/strong><\/h2>\n\n\n\n

                                              Publication<\/strong><\/h4>\n\n\n\n
                                                \n
                                              1. \u201cElectron g-factor and spin decoherence in GaAs quantum nanodisks fabricated by fully top-down lithography\u201d,
                                                T. Tanaka, T. Kiba, A. Higo, C. Thomas, Y. Tamura, S. Samukawa, A. Murayama:
                                                Journal of Crystal Growth 425<\/strong>, 295-298 (2015).<\/li>\n\n\n\n
                                              2. \u201cSize dependence of electron spin dephasing in InGaAs quantum dots\u201d,
                                                Y. Q. Huang, Y. Puttisong, I.A. Buyanova, X.J. Yang, A. Subagyo, K. Sueoka, A. Murayama, W.M. Chen:
                                                Applied Physics Letters 106<\/strong>, 093109:1-4 (2015).<\/li>\n\n\n\n
                                              3. \u201cLight-emitting devices based on top-down fabricated GaAs quantum nanodisks\u201d,
                                                A. Higo, T. Kiba, Y. Tamura, C. Thomas, J. Takayama, Y. Wang, H. Sodabanlu, M. Sugiyama, Y. Nakano, I. Yamashita, A. Murayama, S. Samukawa:
                                                Scientific Reports (Nature publishing group) 5<\/strong>, 9371:1-8 (2015).<\/li>\n\n\n\n
                                              4. \u201cPolarization anisotropy of exciton in self-assembled elliptical InP\/InGaP quantum dots\u201d,
                                                I. Kim, T. Kiba, A. Murayama, J.D. Song, K. Kyhm:
                                                Current Applied Physics 15<\/strong>, 733-738 (2015).<\/li>\n\n\n\n
                                              5. \u201cTime-resolved measurements of Cooper-pair radiative recombination in InAs quantum dots\u201d,
                                                S.S. Mou, H. Irie, Y. Asano, K. Akahane, H. Nakajima, H. Kumano, M. Sasaki, A. Murayama, I. Suemune:
                                                Journal of Applied Physics 118<\/strong>, 073102:1-7 (2015).<\/li>\n\n\n\n
                                              6. \u201cOptical observation of superconducting density of states in luminescence spectra of InAs quantum dots\u201d,
                                                S.S. Mou, H. Irie, Y. Asano, K. Akahane, H. Nakajima, H. Kumano, M. Sasaki, A. Murayama, I. Suemune:
                                                Physical Review B 92<\/strong>, 035308:1-9 (2015).<\/li>\n\n\n\n
                                              7. \u201cTuning of the electron g-factor in defect free GaAs nano-disks\u201d,
                                                L.W. Yang, Y.C. Tsai, Y. Li, A. Higo, A. Murayama, S. Samukawa, O. Voskoboynikov:
                                                Physical Review B 92<\/strong>, 245423:1-9 (2015).<\/li>\n<\/ol>\n\n\n\n

                                                International conference<\/strong><\/h4>\n\n\n\n
                                                  \n
                                                1. \u201cOptical study of temperature-dependent spin injection and relaxation dynamics in InGaAs quantum well-quantum dot tunnel-coupled structure\u201d,
                                                  S.L. Chen, T. Kiba, X.J. Yang, J. Takayama, A. Murayama:
                                                  17th International Conference on Modulated Semiconductor Structures, Th-PM-23, July 30 (2015), Sendai International Center, Sendai, Japan.<\/li>\n\n\n\n
                                                2. \u201cTemperature dependences of spin-injection dynamics and spin-polarized electroluminescence in InGaAs quantum dots\u201d,
                                                  Y. Nomura, Y. Akei, J. Takayama, T. Kiba, A. Subagyo, T. Yamamura, D. Yamazaki, K. Sueoka, A. Murayama:
                                                  47th International Conference on Solid State Devices and Materials, PS-12-19, September 29 (2015), Sapporo Convention Center, Sapporo, Japan.<\/li>\n\n\n\n
                                                3. \u201cHigh-density self-assembled quantum dots of InGaAs for ultrafast and efficient spin injection\u201d,
                                                  J. Takayama, T. Kiba, T. Yamamura, D. Yamazaki, S.L. Chen, A. Murayama:
                                                  47th International Conference on Solid State Devices and Materials, G-3-1 (Oral presentation), September 29 (2015), Sapporo Convention Center, Sapporo, Japan.<\/li>\n\n\n\n
                                                4. \u201cEffect of remote doping on photoluminescence and carrier spin dynamics in InGaAs quantum dots\u201d,
                                                  D. Yamazaki, S.L. Chen, J. Takayama, A. Murayama:
                                                  47th International Conference on Solid State Devices and Materials, PS-8-12, September 29 (2015), Sapporo Convention Center, Sapporo, Japan.<\/li>\n\n\n\n
                                                5. \u201cPhonon-assisted efficient spin injection in InGaAs quantum well-quantum dot tunnel-coupled structures\u201d,
                                                  S.L. Chen, T. Kiba, J. Takayama, A. Murayama:
                                                  47th International Conference on Solid State Devices and Materials, P-3-3 (Oral presentation), September 29 (2015), Sapporo Convention Center, Sapporo, Japan.<\/li>\n\n\n\n
                                                6. \u201cRoom temperature operation of GaAs\/AlGaAs quantum nanodisks light emitting diodes fabricated by fusion of bio-template and neutral beam etching\u201d,
                                                  Y.C. Lai, A. Higo, C. Thomas, T. Kiba, J. Takayama, M. Sugiyama, Y. Nakano, P. Yu, A. Murayama, S. Samukawa:
                                                  47th International Conference on Solid State Devices and Materials, PS-12-16, September 29 (2015), Sapporo Convention Center, Sapporo, Japan.<\/li>\n\n\n\n
                                                7. \u201cFabrication of InGaN\/GaN nanodisk structure by using bio-template and neutral beam etching process\u201d,
                                                  Y.C. Lai, A. Higo, C.Y. Lee, C. Thomas, T. Tanikawa, K. Shojiki, S. Kuboya, R. Katayama, T. Kiba, P. Yu, I. Yamashita, A. Murayama, S. Samukawa:
                                                  15th International IEEE Conference on Nanotechnology, Th1C (Oral presentation), July 30 (2015), Angelicum Congress Centre, Rome, Italy.<\/li>\n\n\n\n
                                                8. \u201cInGaN Quantum Nanodisks fabrication by Bio-Template and Neutral Beam etching\u201d,
                                                  Y.C. Lai, A. Higo, C. Thomas, C.Y. Lee, T. Tanikawa, K. Shojiki, S. Kuboya, R. Katayama, T. Kiba, I. Yamashita, A. Murayama, P. Yu, Seiji Samukawa:
                                                  American Vacuum Society – AVS 62nd International Symposium and Exhibition, PS+SS+TF-FrM-10, October 23, 2015, San Jose Convention Center, San Jose, USA.<\/li>\n\n\n\n
                                                9. \u201cElectron behavior under characteristic magnetic fields applied to inductively coupled plasmas for control of charged particle transport\u201d,
                                                  H. Sugawara:
                                                  XVIII International Workshop on Low-Energy Positron and Positronium Physics \/ XIX International Symposium on Electron-Molecule Collisions and Swarms (POSMOL 2015) TLP9\/TLE9 (Invited, Topical Lecture), July 19, 2015, Universidade Nova de Lisboa, Lisboa, Portugal.<\/li>\n\n\n\n
                                                10. \u201cFundamental study on filter effect of confronting divergent magnetic fields applied to a low-pressure inductively coupled plasma\u201d,
                                                  H. Sugawara:
                                                  9th International Conference on Reactive Plasmas \/ 68th Annual Gaseous Electronics Conference (American. Physical Society) \/ 33rd Symposium on Plasma Processing KW2.00001 (Invited), October 14, 2015, Hawaii Convention Center, Hawaii, USA.<\/li>\n\n\n\n
                                                11. \u201cModeling on discharge mechanism of DC-magnetron\u201d,
                                                  S. Ogata and H. Sugawara:
                                                  13th International Symposium on Sputtering and Plasma Processes, No. FS2-6p, July 8-10, 2015 Kyoto Research Park, Kyoto, Japan.<\/li>\n<\/ol>\n\n\n\n
                                                  \n\n\n\n

                                                  2014<\/strong><\/h2>\n\n\n\n

                                                  Publication<\/strong><\/h4>\n\n\n\n
                                                    \n
                                                  1. \u201cUltrafast spin tunneling and injection in coupled nanostructures of InGaAs quantum dots and quantum well\u201d, X.J. Yang, T. Kiba, T. Yamamura, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: Applied Physics Letters 104<\/strong>, 012406:1-4 (2014).<\/li>\n\n\n\n
                                                  2. \u201cTemperature dependence of the radiative recombination time in ZnO nanorods under an external magnetic field of 6T\u201d, W. Lee, T. Kiba, A. Murayama, C. Sartel, V. Sallet, I. Kim, R.A. Taylor, Y. D. Jho, K. Kyhm: OPTICS EXPRESS 22<\/strong>, 17959-17967 (2014).<\/li>\n\n\n\n
                                                  3. \u201cGrowth-temperature dependence of optical spin-injection dynamics in self-assembled InGaAs quantum dots\u201d, T. Yamamura, T. Kiba, X.-j. Yang, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: Journal of Applied Physics 116<\/strong>, 094309:1-7 (2014).<\/li>\n\n\n\n
                                                  4. \u201cAnomalous spectral dependence of optical polarization and its impact on spin detection in InGaAs\/GaAs quantum dots\u201d, Y. Puttisong, Y. Haung, I. Buyanova, X.J. Yang, A. Subagyo, K. Sueoka, A. Murayama, W.M. Chen: Applied Physics Letters 105<\/strong>, 132106:1-4 (2014).<\/li>\n\n\n\n
                                                  5. \u201cImpact of artificial lateral quantum confinement on exciton-spin relaxation in a two dimensional GaAs electronic system\u201d, T. Kiba, T. Tanaka, Y. Tamura, A. Higo, C. Thomas, S. Samukawa, A. Murayama: AIP Advances 4<\/strong>, 107112:1-7 (2014).<\/li>\n\n\n\n
                                                  6. \u201cPreparation and biocompatibilities of luminescent europium-doped yttria and titania nanoparticles\u201d, S. Abe, Y. Hamba, A. Hyono, S. Yamagata, M. Uo, J. Iida, T. Kiba, A. Murayama, T. Akasaka, F. Watari: Journal of the Ceramic Society of Japan 122<\/strong>, 216-221 (2014).<\/li>\n\n\n\n
                                                  7. \u201cPhotophysical properties and biocopatibility of photoluminescent Y2O3:Eu nanoparticles in PMMA matrix\u201d, S. Abe, Y. Hamba, N. Iwadera, S. Yamagata, Y. Yawaka, M. Uo, J. Iida, T. Kiba, A. Murayama, F. Watari: Journal of Nanoscience and Nanotechnology 14<\/strong>, 2891-2894 (2014).<\/li>\n\n\n\n
                                                  8. \u201cEffect of substrate bias on production and transport of etchant ions in a magnetic neutral loop discharge plasma\u201d, Y. Asami and H. Sugawara: IEEE Transactions on Plasma Science 42<\/b>, 2540-2541 (2014).<\/li>\n\n\n\n
                                                  9. \u201cStructure and energy deposition process of an inductively coupled plasma under confronting divergent magnetic fields\u201d, Y. Minami, Y. Asami, and H. Sugawara: IEEE Transactions on Plasma Science 42<\/b>, 2550-2551 (2014).<\/li>\n<\/ol>\n\n\n\n

                                                    International conference<\/strong><\/h4>\n\n\n\n
                                                      \n
                                                    1. \u201cFull 3D quantum energy level simulation for GaAs\/AlGaAs quantum nanodisks fabricated by ultimate top-down pocess\u201d, S. Ishii, A. Higo, Y. Tamura, T. Kiba, A. Murayama, Y. Li, S. Samukawa: 3rd International Symposium on Next-Generation Electronics, E1-4 (Oral presentation), May 10 (2014), Chang Gung University, Taoyuan, Taiwan.<\/li>\n\n\n\n
                                                    2. \u201cGaAs\/AlGaAs stacked layers etched by neutral beam for the fabrication of quantum dot structures\u201d, Y. Tamura, C. Thomas, A. Higo, T. Kiba, A. Murayama, S. Samukawa: 3rd International Symposium on Next-Generation Electronics, O1-2 (Oral presentation), May 10 (2014), Chang Gung University, Taoyuan, Taiwan.<\/li>\n\n\n\n
                                                    3. \u201cDynamics of photo-excited carriers and spin-related phenomena in III-V semiconductor nanostructures\u201d, A. Murayama: IEEE 6th International Nanoelectronics Conference (Invited talk), July 29, (2014) Conference Hall, Hokkaido University, Sapporo, Hokkaido, Japan.<\/li>\n\n\n\n
                                                    4. \u201cUltrafast carrier capture in high optical quality GaAs nanodisks fabricated by bio-nano templates and damage-free neutral-beam etching\u201d, T. Kiba, A. Higo, Y. Tamura, C. Thomas, S. Samukawa, A. Murayama: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    5. \u201cLongitudinal and transvers electron-spin relaxation times in GaAs nanodisks fabricated by bio-nano templates and damage-free neutral-beam etching\u201d, T. Tanaka, T. Kiba, Y. Tamura, C. Thomas, A. Higo, S. Samukawa, A. Murayama: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    6. \u201cUltrafast spin tunneling from a 2-dimesional electron system into self-assembled quantum dots of InGaAs\u201d, T. Yamamura, T. Kiba, X.J. Yang, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    7. \u201cEffects of electric field on carrier and spin dynamics in InGaAs-based coupled quantum structures\u201d, J. Takayama, T. Kiba, T. Yamamura, Y. Nomura, A. Subagyo, K. Sueoka, A. Murayama: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    8. \u201cElectrical spin injection in light-emitting diodes with InGaAs-based quantum structures\u201d, Y. Nomura, T. Kiba, J. Takayama, Y. Sasaki, T. Yamamura, A. Subagyo, K. Sueoka, A. Murayama: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    9. \u201cQuantum energy levels simulation for InGaAs\/GaAs quantum nanodisks fabricated by ultimate top-down process\u201d, S. Ishii, A. Higo, K. Yoshikawa, Y. Tamura, T. Kiba, A. Murayama, Y. Li, S. Samukawa: 6th IEEE International Nanoelectronics Conference, July 29 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    10. \u201cNew origins of lasing in ZnO; temperature dependence of modal gain contour map\u201d, C. Cho, A. Murayama, K. Kyhm: 6th IEEE International Nanoelectronics Conference (Oral presentation), July 30 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    11. \u201cGaAs\/AlGaAs quantum nanodisks by using neutral beam etching and their optical response\u201d, Y. Tamura, A. Higo, T. Kiba, C. Thomas, T. Okada, W. Yunpeng, H. Sodabanlu, M. Sugiyama, Y. Nakano, A. Murayama, S. Samukawa: 6th IEEE International Nanoelectronics Conference, July 30 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    12. \u201cOptical characteristics of GaAs quantum nanodisks by the combination of bio-template ultimate top-down process\u201d, A. Higo, T. Kiba, Y. Tamura, S. Ishii, C. Thomas, T. Ozaki, A. Murayama, S. Samukawa: 6th IEEE International Nanoelectronics Conference, July 30 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    13. \u201cFabrication of InGaAs quantum nanodisk by using Bio-template and neutral beam etching processes\u201d, K. Yoshikawa, A. Higo, C.Y. Lee, Y. Tamura, C. Thomas, T. Kiba, S. Ishii, H. Sodabanlu, Y. Wang, M. Sugiyama, Y. Nakano, I. Yamashita, A. Murayama, S. Samukawa: 6th IEEE International Nanoelectronics Conference, July 30 (2014), Hokkaido University Conference Hall, Sapporo, Japan.<\/li>\n\n\n\n
                                                    14. \u201cFabrication of InGaAs quantum nanodisk array by using bio-template and top-down etching processes\u201d, K. Yoshikawa, A. Higo, C.Y. Lee, Y. Tamura, C. Thomas, T. Kiba, S. Ishii, H. Sodabanlu, Y. Wang, M. Sugiyama, Y. Nakano, I. Yamashita, A. Murayama, S. Samukawa: 14th IEEE International Conference on Nanotechnology, August 19 (2014), Eaton Chelsea Hotel, Toronto, Canada.<\/li>\n\n\n\n
                                                    15. \u201cNarrow line-width photoluminescence spectrum of GaAs nanodisks fabricated using bio-template ultimate top-down processes\u201d, Y. Tamura, A. Higo, T. Kiba, C. Thomas, Y. Wang, H. Sodabanlu, I. Yamashita, M. Sugiyama, Y. Nakano, A. Murayama, S. Samukawa: 14th IEEE International Conference on Nanotechnology, August 19 (2014), Eaton Chelsea Hotel, Toronto, Canada.<\/li>\n\n\n\n
                                                    16. \u201cQuantum GaAs nanodisk light emitting diode fabricated by ultimate top-down neutral beam etching\u201d, Y. Tamura, C. Thomas, T. Kiba, Y. Wang, H. Sodabanlu, J. Takayama, M. Sugiyama, Y. Nakano, I. Yamashita, A. Murayama, S. Samukawa: 24th International Semiconductor Laser Conference, September 9 (2014), Palma, Spain.<\/li>\n\n\n\n
                                                    17. \u201cSuppression of exciton-spin relaxation induced by artificial lateral quantum confinement in GaAs\u201d, T. Kiba, T. Tanaka, Y. Tamura, C. Thomas, T. Kaizu, Y. Okada, S. Samukawa, A. Murayama: 18th International Conference on Molecular Beam Epitaxy, FrC1-4 (Oral presentation), September 12 (2014), High Country Conference Center, Flagstaff, USA.<\/li>\n\n\n\n
                                                    18. \u201cElectron g-factor and spin-relaxation in GaAs quantum disks fabricated by fully top-down lithography\u201d, T. Tanaka, T. Kiba, Y. Tamura, A. Higo, S. Samukawa, A. Murayama: 18th International Conference on Molecular Beam Epitaxy, P26, September 8 (2014), High Country Conference Center, Flagstaff, USA.<\/li>\n\n\n\n
                                                    19. \u201cElectrical spin injection from Fe electrodes into InGaAs-based quantum structures\u201d, Y. Nomura, J. Takayama, T. Kiba, Y. Sasaki, T. Yamamura, X. Yang, A. Subagyo, K. Sueoka, A. Murayama: 18th International Conference on Molecular Beam Epitaxy, P121, September 11 (2014), High Country Conference Center, Flagstaff, USA.<\/li>\n\n\n\n
                                                    20. \u201cEffects of spin density on the spin-tunneling dynamics from a quantum well into self-assembled quantum dots of InGaAs\u201d, T. Yamamura, T. Kiba, X. Yang, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: 18th International Conference on Molecular Beam Epitaxy, P122, September 11 (2014), High Country Conference Center, Flagstaff, USA.<\/li>\n\n\n\n
                                                    21. \u201cOptimization of growth conditions of self-assembled InGaAs quantum dots suitable for spin injection\u201d, J. Takayama, T. Yamamura, X. Yang, T. Kiba, A. Subagyo, K. Sueoka, A. Murayama: 18th International Conference on Molecular Beam Epitaxy, P123, September 11 (2014), High Country Conference Center, Flagstaff, USA.<\/li>\n\n\n\n
                                                    22. \u201cCrystal growth of III-V compound semiconductor nanostructures and transient spin-related optical phenomena\u201d, Collaborative Conference on Crystal Growth (3CG2014), (Invited talk), November 4 (2014), Holiday Inn Resort Phuket, Phuket, Thailand<\/li>\n\n\n\n
                                                    23. \u201cTop-down InGaAs\/GaAs nanopillars fabrication using a bio-nano process and a neutral beam etching process\u201d, C. Thomas, K. Yoshikawa, C.Y. Lee, Y. Tamura, A. Higo, T. Kiba, A. Murayama, I. Yamashita, S. Samukawa: American Vacuum Society – AVS 61st. International Symposium and Exhibition, PS-ThA8, November 13 (2014), Baltimore, USA.<\/li>\n\n\n\n
                                                    24. \u201cMonte Carlo simulation of electron diffusion across separatrix between confronting divergent magnetic fields\u201d, H. Sugawara, Y. Minami, S. Ogino: XXII Europhysics Conference on Atomic and Molecular Physics of Ionized Gases, P1-02-04, July 15-19, 2014, Greifswald, Germany.<\/li>\n<\/ol>\n\n\n\n
                                                      \n\n\n\n

                                                      2013<\/strong><\/h2>\n\n\n\n

                                                       Publication<\/strong><\/h4>\n\n\n\n
                                                        \n
                                                      1. \u201cHigh-density optical spin injection in self-assembled semiconductor quantum dots\u201d, A. Murayama, N. Tamura, T. Yamazaki, T. Kiba: Journal of Luminescence 133<\/strong>, 110-113 (2013).<\/li>\n\n\n\n
                                                      2. \u201cDynamics of electron-spin injection in a heterovalent GaAs\/AlGaAs\/ZnMnSe structure with a coupled double quantum well of GaAs\/AlGaAs\u201d, Y. Kuno, T. Sasaki, T. Kiba, V.Kh. Kaibyshev, F. Liaci, A.A. Toropov, S.V. Ivanov, A. Murayama: Journal of Crystal Growth 378<\/strong>, 393-396 (2013).<\/li>\n\n\n\n
                                                      3. \u201cSurface\/interface-related optical properties in Si nanodisks fabricated by neutral-beam etching using bio-templates\u201d, T. Kiba, K. Suzaki, H. Li, M. Igarashi, S. Samukawa, A. Murayama: Journal of Crystal Growth 378<\/strong>, 493-496 (2013).<\/li>\n\n\n\n
                                                      4. \u201cQuantum size effects in GaAs nanodisks fabricated using a combination of the bio-template technique and neutral beam etching\u201d, Y. Tamura, T. Kaizu, T. Kiba, M. Igarashi, R. Tsukamoto, A. Higo, W. Hu, C. Thomas, M.E. Fauzi, T. Hoshii, I. Yamashita, Y. Okada, A. Murayama, S. Samukawa: Nanotechnology 24<\/strong>, 285301:1-6 (2013).<\/li>\n\n\n\n
                                                      5. \u201cTemperature dependence of time-resolved photoluminescence in closely packed alignment of Si nanodisks with SiC barriers\u201d, T. Kiba, Y. Mizushima, M. Igarashi, C.H. Huang, S. Samukawa, A. Murayama: Nanoscale Research Letters 8<\/strong>, 223:1-7 (2013).<\/li>\n\n\n\n
                                                      6. \u201cTemperature dependence of the dynamics of optical spin injection in self-assembled InGaAs quantum dots\u201d, T. Kiba, X.J. Yang, T. Yamamura, Y. Kuno, A. Subagyo, K. Sueoka, A. Murayama: Applied Physics Letters 103<\/strong>, 082405:1-5 (2013).<\/li>\n\n\n\n
                                                      7. \u201cStructure and intermolecular dynamics of carbon disulfide\/alcohols binary solution\u201d, T. Kiba, T. Hirota, A. Murayama, S.I. Sato: Molecular Crystals and Liquid Crystals 579<\/strong>, 103-109 (2013).<\/li>\n\n\n\n
                                                      8. \u201cPhotophysical properties of self-assembled cyanine-dye dimmer formation assisted by cyclodextrin inclusion complexation\u201d, S. Abe, T. Hirota, T. Kiba, N. Miyakawa, F. Wataria, A. Murayama, S.I. Sato: Molecular Crystals and Liquid Crystals 579<\/strong>, 22-29 (2013).<\/li>\n\n\n\n
                                                      9. \u201cControl of magnetic field for sustainment of ion production and uniform ion flux to substrate in neutral loop discharge plasma\u201d, T. Yoshida, Y. Sakurai, H. Sugawara and A. Murayama: Electrical Engineering in Japan, 185<\/b>, 9-16 (2013).<\/li>\n\n\n\n
                                                      10. \u201cCharacteristics of electron conduction in a gas under a quadrupole magnetic field and radio-frequency electric fields\u201d, H. Sugawara: Japanese Journal of Applied Physics 52<\/b> 056101: 1-5 (2013).<\/li>\n\n\n\n
                                                      11. \u201cScattering-based stochastic process attracting electrons inward under antiparallel gradient magnetic fields\u201d, H. Sugawara: Journal of Physical Society Japan 82<\/b> 064501: 1-6 (2013).<\/li>\n<\/ol>\n\n\n\n

                                                        International conference<\/strong><\/h4>\n\n\n\n
                                                          \n
                                                        1. \u201cDynamics of exciton-spin relaxation in GaAs nanodisks fabricated by fully-top-down and damage-free lithography\u201d, T. Kiba, K. Suzaki, Y. Tamura, M. Igarashi, C. Thomas, W. Hu, T. Kaizu, Y. Okada, S. Samukawa, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids (Oral presentation), August 9 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        2. \u201cOptical spin-injection dynamics at excited states in In0.5<\/sub>Ga0.5<\/sub>As quantum dots coupled with an In0.1<\/sub>Ga0.9<\/sub>As quantum well\u201d, X.J. Yang, T. Kiba, Y. Kuno, T. Yamamura, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids, August 6 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        3. \u201cElectroluminescence from excited states in InGaAs self-assembled quantum dots\u201d, Y. Sasaki, X.j. Yang, J. Takayama, T. Kiba, A. Subagyo, A. Ikeuchi, K. Sueoka, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids, August 6 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        4. \u201cObservation of optical gain in GaAs quantum disks fabricated by neutral-beam etching using bio-nano templates\u201d, K. Suzaki, T. Kiba, K. Kyhm, Y. Tamura, A. Higo, S. Samukawa, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids, August 6 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        5. \u201cTransient Kerr effects in GaAs quantum disks fabricated by neutral-beam etching using bio-nano templates\u201d, T. Tanaka, T. Sasaki, T. Kiba, K. Kyhm, Y. Tamura, A. Higo, S. Samukawa, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids, August 6 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        6. \u201cDynamics of optical spin injection in InGaAs self-assembled quantum dots with various growth conditions\u201d, T. Yamamura, X.J. Yang, T. Kiba, Y. Kuno, J. Takayama, A. Subagyo, K. Sueoka, A. Murayama: 18th International Conference on Dynamical Processes in Excited States of Solids, August 6 (2013), Fuzhou Lakeside Hotel, Fuzhou, China.<\/li>\n\n\n\n
                                                        7. \u201cPhotoluminescence of high-density and sub-20-nm GaAs nanodisks fabricated with a neutral Beam etching process and MOVPE regrowth for high performance QDs devices\u201d, Y. Tamura, A. Higo, T. Kiba, W. Yunpeng, M. Igarashi, C. Thomas, W. Hu, M.E. Fauzi, A. Murayama, M. Sugiyama, Y. Nakano, S. Samukawa: 13th IEEE International Conference on Nanotechnology, August 8 (2014), Shangrila Hotel, Beijing, China.<\/li>\n\n\n\n
                                                        8. \u201cElectron-spin dynamics in GaAs quantum wells coupled with II-VI diluted magnetic semiconductors\u201d\uff0cA. Murayama: NSF Workshop on US-Japan Frontiers in Novel Photonic-Magnetic Devices (Oral presentation), September 21 (2013), Kasugano-so, Nara, Japan.<\/li>\n\n\n\n
                                                        9. \u201cDynamics of photo-excited carriers and the spin states in III-V semiconductor nanostructures; application to quantum-dot lasing\u201d, A. Murayama: 3rd Annual World Congress of Nano Science and Technology (Invited talk), September 28 (2013), Xi’an International Conference Center, Xi’an, China.<\/li>\n\n\n\n
                                                        10. \u201cHigh density and high aspect ratio GaAs\/AlGaAs nanopillar array fabricated by fusion of bio-template and neutral beam etching\u201d, Y. Tamura, A. Higo, T. Kiba, W. Yunpeng, C. Thomas, T. Okada, W. Hu, A. Murayama, M. Sugiyama, Y. Nakano, S. Samukawa: 2013 Internatinal Conference on Solid State Devices and Materials, September 25 (2013), Hilton Fukuoka Sea Hawk, Japan.<\/li>\n\n\n\n
                                                        11. \u201cThe fabrication of GaAs quantum nanodisks combination of bio-template, neutral beam etching and MOVPE regrowth”\u201d, A. Higo, Y.e Tamura, T. Kiba, C. Thomas, W. Yunpeng, M. Sugiyama, Y. Nakano, A. Murayama, S. Samukawa: IEEE Nanotechnology Materials and Device Conference MP-4-10 (Oral presentation), October 7 (2013), Shangri-La Hotel, Tainan, Taiwan.<\/li>\n\n\n\n
                                                        12. \u201cDynamics pf photo-excited carriers in III-V semiconductor nanostructures\u201d, A. Murayama: Seoul National University and Hokkaido University 2013 International Workshop on New Frontiers in Convergence Science and Technology (Oral presentation), December 13 (2013), Seoul National University, Suwon, Korea.<\/li>\n\n\n\n
                                                        13. \u201cOptically probed electron-spin relaxation in GaAs nanostructures\u201d, T. Tanaka, T. Kiba, A. Murayama: Seoul National University and Hokkaido University 2013 International Workshop on New Frontiers in Convergence Science and Technology, December 13 (2013), Seoul National University, Suwon, Korea.<\/li>\n\n\n\n
                                                        14. \u201cMonte Carlo simulation of electron motion in confronting divergent magnetic fields\u201d, H. Sugawara and Y. Minami:
                                                          XXXI International Conference on Phenomena in Ionized Gases, PS3-010, July 14-19, 2013, Granada, Spain.<\/li>\n<\/ol>\n\n\n\n
                                                          \n\n\n\n

                                                          2012<\/strong><\/h2>\n\n\n\n

                                                          Publication<\/strong><\/h4>\n\n\n\n
                                                            \n
                                                          1. \u201cControl of optical bandgap energy and optical absorption coefficient by geometric parameters in sub-10 nm silicon-nanodisc array structure\u201d,\u3000M.F. Budiman, W. Hu, M. Igarashi, R. Tsukamoto, T. Isoda, K.M. Itoh, I. Yamashita, A. Murayama, Y. Okada, S. Samukawa:\u3000Nanotechnology 23<\/strong>, 065302:1-6 (2012).<\/li>\n\n\n\n
                                                          2. \u201cPicosecond transient photoluminescence in high-density Si-nanodisk arrays fabricated using bio-nano-templates\u201d, T. Kiba, Y. Mizushima, M. Igarashi, C.H. Huang, S. Samukawa, A. Murayama: Applied Physics Letters 100<\/strong>, 053117:1-4 (2012), and also selected in the March 2012 issue of Virtual Journal of Ultrafast Science by American Physical Society.<\/li>\n\n\n\n
                                                          3. \u201cAntiferromagnetic interaction in coupled CdSe\/ZnMnSe quantum dot structures\u201d, D. Dagnelund, Q.J. Ren, I.A. Buyanova, A. Murayama, W.M. Chen: Applied Physics Letters 101<\/strong>, 052405:1-5 (2012).<\/li>\n\n\n\n
                                                          4. \u201cSub-picosecond spin relaxation of bright excitons and imbalance suppression in asymmetric CdSe\/ZnS nanocrystal quantum dots under an applied magnetic field\u201d, K. Kyhm, J. Kim, H.-S. Yang, K.-C. Je, A. Murayama: Journal of Nanoscience and Nanotechnology 12<\/strong>, 2919\u20132923 (2012).<\/li>\n\n\n\n
                                                          5. \u201cPlasmonic enhancements of photoluminescence in hybrid Si nanostructures with Au fabricated by fully top-down lithography\u201d, K. Nakaji, H. Li, T. Kiba, M. Igarashi, S. Samukawa, A. Murayama: Nanoscale Research Letters 7<\/strong>, 629:1-5 (2012).<\/li>\n\n\n\n
                                                          6. \u201cPicosecond carrier dynamics induced by coupling of wavefunctions in a Si-nanodisk array fabricated by neutral beam etching using bio-nano-templates\u201d, T. Kiba, Y. Mizushima, M. Igarashi, S. Samukawa, A. Murayama: Nanoscale Research Letters 7<\/strong>, 587:1-5 (2012).<\/li>\n\n\n\n
                                                          7. \u201cSpectral narrowing of UV-visible absorption and emission spectra of anthracene-derivatives in \u03b2-cyclodextrin nanocavity: effects of host\/guest stoichiometry\u201d, S.I. Sato, Y. Yoshizumi, T. Kiba, A. Murayama, S. Abe: Molecular Crystals and Liquid Crystals 568<\/strong>, 60-65 (2012).<\/li>\n<\/ol>\n\n\n\n

                                                            International conference<\/strong><\/h4>\n\n\n\n
                                                              \n
                                                            1. \u201cPicosecond carrier dynamics induced by coupling of wavefunctions in a Si-nanodisk array fabricated by neutral beam etching using bio-nano-templates\u201d, T. Kiba, Y. Mizushima, M. Igarashi, S. Samukawa, A. Murayama: International Conference on Superlattices, Nanostructures, and Nanodevices, ThP1-13, July 26 (2012), Dresden, Germany.<\/li>\n\n\n\n
                                                            2. \u201cPlasmonic enhancement of photoluminescence in hybrid Si nanostructures with Au fabricated by fully top-down lithography\u201d, K. Nakaji, H. Lee, T. Kiba, M. Igarashi, S. Samukawa, A. Murayama: International Conference on Superlattices, Nanostructures, and Nanodevices, TuP2-9, July 24 (2012), Dresden, Germany.<\/li>\n\n\n\n
                                                            3. \u201cHigh-density and sub-20-nm GaAs nanodisk array fabricated using neutral beam etching process for high performance QDs devices\u201d, Y. Tamura, M. Igarashi, M.E. Fauzi, R. Tsukamoto, T. Kaizu, T. Kiba, I. Yamashita, Y. Okada, A. Murayama, S. Samukawa: 12th International Conference on Nanotechnology, August 22 (2012), International Convention Centre, Birmingham, UK.<\/li>\n\n\n\n
                                                            4. \u201cDynamics of electron-spin injection in a heterovalent GaAs\/AlGaAs\/ZnMnSe structure with a coupled double quantum well of GaAs\/AlGaAs\u201d, Y. Kuno, T. Sasaki, T. Kiba, V.Kh. Kaibyshev, F. Liaci, A.A. Toropov, S.V. Ivanov, Akihiro Murayama, 17th International Conference on Molecular Beam Epitaxy, September 25 (1012), Nara New Public Hall, Nara, Japan.<\/li>\n\n\n\n
                                                            5. \u201cSurface\/interface-related optical properties in Si nanodisks fabricated by neutral-beam etching using bio-templates\u201d, T. Kiba, K. Suzaki, H. Li, M. Igarashi, S. Samukawa, A. Murayama: 17th International Conference on Molecular Beam Epitaxy, September 27 (1012), Nara New Public Hall, Nara, Japan.<\/li>\n\n\n\n
                                                            6. \u201cStochastic scattering process to induce inward electron flow in electron conduction path between antiparallel gradient magnetic fields\u201d, H. Sugawara: XXI Europhysics Conference on Atomic and Molecular Physics of Ionized Gases, P1.2.5, July 10-14, 2012, Viana do Castelo, Portugal.<\/li>\n<\/ol>\n\n\n\n
                                                              \n\n\n\n

                                                              2011<\/strong><\/h2>\n\n\n\n

                                                              Publication<\/strong><\/h4>\n\n\n\n
                                                                \n
                                                              1. \u201cOptical absorption characteristic of highly ordered and dense two-dimensional array of silicon nanodiscs\u201d, C.H. Huang, X.Y. Wang, M. Igarashi, A. Murayama, Y. Okada, I. Yamashita, S. Samukawa: Nanotechnology 22<\/strong>, 105301:1-8 (2011).<\/li>\n\n\n\n
                                                              2. \u201cRemote plasma chemical vapor deposition of carbon nanotubes and analysis of plasma effect\u201d, Y. Fukuda, J. Takayama, N. Asaoka, Y. Suda, H. Sugawara, A. Murayama: IEEE Transactions on Plasma Science 39<\/strong>, 3133-3139 (2011).<\/li>\n\n\n\n
                                                              3. \u201cControl of magnetic field in neutral loop discharge plasma for uniform distribution of ion flux on substrate\u201d, Y. Sakurai, T. Osaga and H. Sugawara: IEEE Transactions on Plasma Science 39<\/b>, Pt. 1, 2550-2551 (2011).<\/li>\n\n\n\n
                                                              4. \u201cElectron distribution in a quadrupole magnetic field to drive magnetic neutral loop discharge plasma\u201d, T. Osaga, Y. Sakurai and H. Sugawara: IEEE Transactions on Plasma Science 39<\/b>, Pt. 1, 2546-2547 (2011).<\/li>\n\n\n\n
                                                              5. \u201cRectification effect of gradient antiparallel magnetic fields on electron conduction in a gas under a radio-frequency electric field\u201d, H. Sugawara, T. Osaga and H. Yamamoto: Plasma Sources Science and Technology 20<\/b> 055002: 1-7 (2011).<\/li>\n\n\n\n
                                                              6. \u201cStructure and dynamics of a magnetic neutral loop discharge plasma described using electron motion in a quadrupole magnetic field\u201d, T. Osaga, H. Sugawara and Y. Sakurai: Plasma Sources Science and Technology 20<\/b> 065003: 1-7 (2011).<\/li>\n<\/ol>\n\n\n\n

                                                                International conference<\/strong><\/h4>\n\n\n\n
                                                                  \n
                                                                1. \u201cDamage-free top-down processes of fabricating two-dimensional array of sub-10nm nanometer GaAs nanodisks using bio-template and neutral beam etching for intermediate band solar cell applications\u201d, X.Y. Wang, C.H. Huang, R. Tsukamoto, T. Kaizu, M. Igarashi, P.A. Mortemousque, H. Shinohara, Y. Okada, A. Murayama, K. Itoh, Y. Ohno, I. Yamashita, S. Samukawa: 37th IEEE Photovoltaic Specialists Conference, June 23 (2013), Seattle, USA.<\/li>\n\n\n\n
                                                                2. \u201cOptical absorption, photoluminescence and miniband formation of a highly ordered and dense 2-dimensional array of Si nanodisks for quantum dot solar cells\u201d, M. Igarashi, C.H. Huang, X.Y. Wang, M.F. Budiman, Y. Tamura, T. Kiba, A. Murayama, T. Kaizu, Y. Okada, S. Samukawa: 37th IEEE Photovoltaic Specialists Conference, June 24 (2011), Seattle, USA.<\/li>\n\n\n\n
                                                                3. \u201cHigh-density optical spin injection in self-assembled semiconductor quantum dots\u201d, A. Murayama, N. Tamura, T. Yamazaki, T. Kiba: 16th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter (Oral presentation), June 30 (2011), Ann Arber, USA.<\/li>\n\n\n\n
                                                                4. \u201cInter-disk electron transfer in Si-nanodisk arrays fabricated by using bio-templates\u201d, T. Kiba, Y. Mizushima, A. Murayama, M. Igarashi, C.-H. Huang, S. Samukawa: 16th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, June 28 (2011), Ann Arber, USA.<\/li>\n\n\n\n
                                                                5. \u201cFabrication of Two-dimensional Array of Sub-10nm GaAs Nanodisk using Bio-template Neutral Beam Etching Process\u201d, S.H. Lin, M. Igarashi, X.Y. Wang, C.H. Huang, Y. Ohno, A. Murayama, S. Samukawa: American Vacuum Society 58th International Symposium, October 31 (2011), Nashville, Tennessee, USA.<\/li>\n\n\n\n
                                                                6. \u201cElectron conduction under the rectification effect of antiparallel magnetic fields\u201d, H. Sugawara: XVI International Workshop on Low Energy Positron and Positronium Physics \/ XVII International Symposium on Electron-Molecule Collisions and Swarms (Invited talk), July 22-25, 2011, Maynooth, Ireland.<\/li>\n\n\n\n
                                                                7. \u201cMonte Carlo simulation of electron transport under quadrupole magnetic field and radio-frequency electric field\u201d, H. Sugawara: 30th International Conference on Phenomena in Ionized Gases, A2-3, August 28-September 2, 2011, Belfast, Northern Ireland, UK.<\/li>\n<\/ol>\n\n\n\n
                                                                  \n\n\n\n

                                                                  2010<\/strong><\/h2>\n\n\n\n

                                                                  Publication<\/strong><\/h4>\n\n\n\n
                                                                    \n
                                                                  1. \u201cSpin dynamics in ZnO-based materials\u201d, I.A. Buyanova, A. Murayama, T. Furuta, Y. Oka, D.P. Norton, S.J. Pearton, A. Osinsky, J.W. Dong, C.W. Tu, W.M. Chen: Journal of Superconductivity and Novel Magnetism 23<\/strong>, 161-165 (2010).<\/li>\n\n\n\n
                                                                  2. \u201cDefect-free etching process for GaAs\/AlGaAs hetero-nanostructure using chlorine\/argon mixed neutral beam\u201d, X.Y. Wang, C.H. Huang, Y. Ohno, M. Igarashi, A. Murayama, S. Samukawa: Journal of Vacuum of Science and Technology B 28<\/strong>, 1138 (2010).<\/li>\n\n\n\n
                                                                  3. \u201cNew origins of stimulated emission and temperature dependence in ZnO\u201d, B. Kim, D. Kim, C. Cho, N. Tamura, T. Yamazaki, A. Murayama, K. Kyhm: Physics of Semiconductors: 30th International Conference on the Physics of Semiconductors (AIP Conference Proceedings) 1399<\/strong>, 25-26 (2010).<\/li>\n\n\n\n
                                                                  4. \u201cNumerical simulation of electron transport in electric and magnetic fields for analysis of electron temperature and number density profiles measured in an argon magnetic neutral loop discharge plasma\u201d, H. Sugawara, T. Osaga, H. Tsuboi, K. Kuwahara and S. Ogata: Japanese Journal of Applied Physics 49<\/b> 086001: 1-5 (2010).<\/li>\n<\/ol>\n\n\n\n

                                                                    International conference<\/strong><\/h4>\n\n\n\n
                                                                      \n
                                                                    1. \u201cConcept of dynamic control of magnetic field for high-throughput and wide-area etching by neutral loop discharge plasma\u201d, H. Sugawara: 63rd Ann. Gaseous Electronics Conference on (American Physical Society) \/ 7th International Conference on Reactive Plasmas (Japan Society of Applied Physics) \/ 28th Symposium on Plasma Processing (Japan Society of Applied Physics), DTP.00027, October 4-8, 2010, Paris, France.<\/li>\n<\/ol>\n\n\n\n
                                                                      \n\n\n\n

                                                                      2009<\/strong><\/h2>\n\n\n\n

                                                                       <\/strong>Publication<\/strong><\/h4>\n\n\n\n
                                                                        \n
                                                                      1. \u201cPropagation dynamics of exciton spins in a high-density semiconductor quantum dot system\u201d, A. Murayama, T. Furuta, S. Oshino, K. Hyomi, M. Sakuma, I. Souma, D. Dagnelund, I.A. Buyanova, W.M. Chen: Physica Status Solidi (c) 6<\/strong>, 50-52 (2009).<\/li>\n\n\n\n
                                                                      2. \u201cCooling and spin-relaxation dynamics of spin-polarized excitons in a diluted magnetic semiconductor quantum well\u201d, A. Murayama, K. Saito, I. Souma: Physica Status Solidi (c) 6<\/strong>, 315-318 (2009).<\/li>\n\n\n\n
                                                                      3. \u201cMicro-photoluminescence study of electron-spin injection in self-assembled semiconductor quantum dots\u201d, K. Hyomi, M. Sakuma, A. Murayama: Journal of Luminescence 129<\/strong>, 1715\u20131717 (2009).<\/li>\n\n\n\n
                                                                      4. \u201cTransfer dynamics of spin-polarized excitons into semiconductor quantum dots\u201d, A. Murayama, T. Furuta, S. Oshino, K. Hyomi, M. Sakuma, I. Souma, D. Dagnelund, I.A. Buyanova, W.M. Chen: Journal of Luminescence 129<\/strong>, 1927\u20131930 (2009).<\/li>\n\n\n\n
                                                                      5. \u201cSpin Dynamics in III-V\/II-VI:Mn Heterovalent Quantum Wells\u201d, A.A. Toropov, Ya.V. Terent\u2019ev, A.V. Lebedev, P.S. Kop\u2019ev, S.V. Ivanov, T. Koyama, K. Nishibayashi, A. Murayama, Y. Oka: International Journal of Modern Physics B 23<\/strong>, 2739-2749 (2009).<\/li>\n\n\n\n
                                                                      6. \u201cMagnetic field induced charging effect in a single CdSe quantum dot\u201d, Q.J. Ren, L.H. Bai, A. Murayama, Z.H. Chen, X.C. Shen: Physica Status Solidi (b) 246<\/strong>, 791-794 (2009).<\/li>\n\n\n\n
                                                                      7. \u201cIs the diameter or chirality distribution of single-walled carbon nanotubes selected in the synthesis process?\u201d, K. Bhattacharyya, Y. Suda, A. Okita, T. Saito, A. Ozeki, M. Maekawa, J. Takayama, H. Sugawara and Y. Sakai: Journal of Nanoscience and Nanotechnology 9<\/b>, 1897-1903 (2009).<\/li>\n\n\n\n
                                                                      8. \u201cCarbon nanotube growth in alcohol vapor plasma\u201d, Y. Suda, A. Okita, J. Takayama, A. Oda, H. Sugawara, Y. Sakai, S. Oke and H. Takikawa: IEEE Transactions on Plasma Science 37<\/b>, 1150-1155 (2009).<\/li>\n<\/ol>\n\n\n\n

                                                                        International conference<\/strong><\/h4>\n\n\n\n
                                                                          \n
                                                                        1. \u201cCarrier and spin injection from ZnMnSe to CdSe quantum dots\u201d, D.Dagnelund, I.A. Buyanova, T. Furuta, K. Hyomi, I. Suoma, A. Murayama, W.M. Chen: 3rd. International Conference on Quantum, Nano and Micro Technologies, February 1-7, 2009, Cancun, Mexico.<\/li>\n\n\n\n
                                                                        2. \u201cMagnetic semiconductor nanostructures; toward spin manipulation in semiconductor quantum structures\u201d, A. Murayama: International Workshop on Photons and Spins in Nanostructures (Invited talk), July 27 (2009), Sapporo, Japan.<\/li>\n\n\n\n
                                                                        3. \u201cPlasma power dependence of properties of amorphous fluorocarbon films composed by PECVD using perfluorooctane\u201d, K. Mizuno, H. Sugawara, Y. Sakai, A. Murayama: 29th International Conference on Phenomena in Ionized Gases, PA13-9, July 13-17, 2009, Cancun, Mexico.<\/li>\n\n\n\n
                                                                        4. \u201cDC plasma-assisted thermal chemical vapor deposition of single-walled carbon nanotubes\u201d, Y. Fukuda, J. Takayama, N. Asaoka, Y. Suda, H. Sugawara and A. Murayama: 22nd International Microprocesses and Nanotechnology Conference, 19D-10-44, November 16-19, 2009, Sheraton Sapporo Hotel, Sapporo, Japan.<\/li>\n<\/ol>\n\n\n\n
                                                                          \n\n\n\n

                                                                          2008<\/strong><\/h2>\n\n\n\n

                                                                          Publication<\/strong><\/h4>\n\n\n\n
                                                                            \n
                                                                          1. \u201cSpin injection in a coupled system of a diluted magnetic semiconductor Zn0.80<\/sub>Mn0.20<\/sub>Se and self-assembled quantum dots of CdSe\u201d, D. Dagnelund, I.A. Buyanova, W.M. Chen, A. Murayama, T. Furuta, K. Hyomi, I. Souma, Y. Oka: Superlattices and Microstructures 43<\/strong>, 615-619 (2008).<\/li>\n\n\n\n
                                                                          2. \u201cMagneto-optical and tunable laser excitation spectroscopy of spin-injection and spin loss from Zn(Cd)MnSe diluted magnetic quantum well to CdSe non-magnetic quantum dots\u201d, D. Dagnelund, I.A. Buyanova, W.M. Chen, A. Murayama, T. Furuta, K. Hyomi, I. Souma, Y. Oka: Materials Science and Engineering B 147<\/strong>, 262-266 (2008).<\/li>\n\n\n\n
                                                                          3. \u201cEfficiency of optical spin injection and spin loss from a diluted magnetic semiconductor ZnMnSe to CdSe nonmagnetic quantum dots\u201d, D. Dagnelund, I.A. Buyanova, W.M. Chen, A. Murayama, T. Furuta, K. Hyomi, I. Souma, Y. Oka: Physical Review B 77<\/strong>, 035437:1-5 (2008), and also selected in the Feb. 11, 2008 issue of Virtual Journal of Nanoscale Science & Technology by American Physical Society.<\/li>\n\n\n\n
                                                                          4. \u201cDominant factors limiting efficiency of spin detection in ZnO-based materials\u201d, W.M. Chen, I.A. Buyanova, A. Murayama, Y. Oka, D.P. Norton, S.J. Pearton, A. Osinsky, J.W. Dong: Applied Physics Letters 92<\/strong>, 092103:1-3 (2008), and also selected in the March 17, 2008 issue of Virtual Journal of Nanoscale Science & Technology by American Physical Society.<\/li>\n\n\n\n
                                                                          5. \u201cSpin-conserving tunneling of excitons in diluted magnetic semiconductor double quantum wells\u201d, J. Park, A. Murayama, I. Souma, Y. Oka, D. Dagnelund, I.A. Buyanova, W.M. Chen: Japanese Journal of Applied Physics 47<\/strong>, 3533-3536 (2008).<\/li>\n\n\n\n
                                                                          6. \u201cExciton broadening and spin dynamics in III-V\/II-VI:Mn heterovalent double quantum wells\u201d, A. A. Toropov, Ya. V. Terent\u2019ev, P. S. Kop\u2019ev, S. V. Ivanov, T. Koyama, K. Nishibayashi, A. Murayama, Y. Oka, A. Golnik, J. A. Gaj: Physical Review B 77<\/strong>, 235310:1-8 (2008).<\/li>\n\n\n\n
                                                                          7. \u201cDual distributions for the metallic and semiconducting single-walled carbon nanotubes observed by Raman spectroscopy\u201d, K. Bhattacharyya, Y. Suda, A. Okita, T. Saito, A. Ozeki, M. Maekawa, J. Takayama, H. Sugawara, Y. Sakai: Carbon – Science and Technology 1<\/b>, 4-8 (2008).<\/li>\n\n\n\n
                                                                          8. \u201cElectron transport in carbon tetrafluoride along a magnetically neutral plane between constant gradient antiparallel magnetic fields\u201d, H. Sugawara and Y. Sakai: Journal of Physics D: Applied Physics 41<\/b>, 135208: 1-7 (2008).<\/li>\n\n\n\n
                                                                          9. \u201cEvaluation of ion and radical fluxes in CH4\/H2 plasma for CNT growth\u201d, Y. Hizume, A. Okita, A. Oda, H. Sugawara, Y. Suda and Y. Sakai: Transactions of IEE Japan 128-A<\/b>, 624-628 (2008).<\/li>\n<\/ol>\n\n\n\n

                                                                            International Conference<\/strong><\/h4>\n\n\n\n
                                                                              \n
                                                                            1. \u201cMagneto-optical properties and spin dynamics in novel II-VI and III-V semiconductor materials and nanostructures\u201d, I.A. Buyanova, W.M. Chen, A. Murayama, Y. Oka, C.R. Abernathy, S.J. Pearton: The Progress in Electromagnetics Research Symposium (Invited talk), March 24-28 (2008), Hangzhou, China.<\/li>\n\n\n\n
                                                                            2. \u201cSpin injection and spin detection in semiconductor quantum structures\u201d, W.M. Chen, I.A. Buyanova, A. Murayama, Y. Oka, S.J. Pearton, D. P. Norton, C.R. Abernathy, A. Osinsky, J. W. Dong: The First Nordic Workshop on Spintronics and Nanomagnetism (Invited talk), April 22-24 (2008), Gimo, Sweden.<\/li>\n\n\n\n
                                                                            3. \u201cPropagation dynamics of exciton spins in a high-density semiconductor quantum dot system\u201d, A. Murayama, T. Furuta, S. Oshino, K. Hyomi, M. Sakuma, I. Souma, D. Dagnelund, I.A. Buyanova, W.M. Chen: 8th International Conference on Excitonic Processes in Condensed Matter (Oral presentation), June 22-27 (2008), Kyoto University, Kyoto, JAPAN.<\/li>\n\n\n\n
                                                                            4. \u201cCooling and spin-relaxation dynamics of spin-polarized excitons in a diluted magnetic semiconductor quantum well\u201d, A. Murayama, K. Saito, I. Souma: 8th International Conference on Excitonic Processes in Condensed Matter, June 22-27 (2008), Kyoto University, Kyoto, JAPAN.<\/li>\n\n\n\n
                                                                            5. \u201cMagneto-optical spectroscopy of spin injection from ZnMnSe to CdSe quantum dots\u201d, D. Dagnelund, I. A Buyanova , W.M. Chen, T. Furuta, K. Hyomi, I. Souma, A. Murayama: The International Scanning Probe Microscopy Conference, June 22-24 (2008), Seattle, USA.<\/li>\n\n\n\n
                                                                            6. \u201cTransfer dynamics of spin-polarized excitons into semiconductor quantum dots\u201d, A. Murayama, T. Furuta, S. Oshino, K. Hyomi, M. Sakuma, I. Souma, D. Dagnelund, I.A. Buyanova, W.M. Chen: 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter (Oral presentation), July 7-11 (2008), University of Lyon, Lyon, France.<\/li>\n\n\n\n
                                                                            7. \u201cTransient magneto-photoluminescence in self-assembled quantum dots of a diluted magnetic semiconductor\u201d, S. Oshino, T. Furuta, I. Souma, A. Murayama, D. Dagnelund, I.A. Buyanova, W.M. Chen: 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, July 7-11 (2008), University of Lyon, Lyon, France.<\/li>\n\n\n\n
                                                                            8. \u201cMicro-photoluminescence study of electron-spin injection in self-assembled semiconductor quantum dots\u201d, K. Hyomi, M. Sakuma, A. Murayama: 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, July 7-11 (2008), University of Lyon, Lyon, France.<\/li>\n\n\n\n
                                                                            9. \u201cSpin dynamics in ZnO-based materials\u201d, W.M. Chen, I.A. Buyanova, T. Furuta, A. Murayama, D. P. Norton, S.J. Pearton, A. Osinsky, J. W. Dong: 5th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors, August 3-6 (2008), Foz do Igua\u00e7u, PR, Brazil.<\/li>\n\n\n\n
                                                                            10. \u201cElectron drift along magnetically neutral channels between gradient magnetic fields\u201d, H. Sugawara and Y. Sakai: 15th Gaseous Electronics Meeting, 7-1 (Invited talk), February 3-6, 2008, Murramarang Resort, Australia.<\/li>\n\n\n\n
                                                                            11. \u201cSelective growth of carbon nanotubes by chemical vapor deposition using CH4\/CO2 mixture gas\u201d, J. Takayama, Y. Suda, A. Okita, J. Nakamura, H. Sugawara and Y. Sakai: International Carbon Nanotube Conference in Nagoya University, GP-5, February 14-15, 2008, Nagoya University, Nagoya, Japan.<\/li>\n\n\n\n
                                                                            12. \u201cInvestigation of carbon nanotube precursors in CH4\/H2 plasma,\u201d, A. Okita, Y. Suda, J. Takayama, A. Oda, J. Nakamura, H. Sugawara and Y. Sakai: International Carbon Nanotube Conference in Nagoya University, GP-6, February 14-15, 2008, Nagoya University, Nagoya, Japan.<\/li>\n\n\n\n
                                                                            13. \u201cFormation of winding surface of amorphous fluorocarbon films composed by perfluorooctane plama-enhanced chemical vapor deposition\u201d, K. Mizuno, H. Sugawara, T. Yamauchi, H. Koike, Y. Suda and Y. Sakai: XIX Europhysic Conference on Atom-Molecular Phenomena in Ionized Gases, 1-61, July 15-19, 2008, Granada, Spain.<\/li>\n\n\n\n
                                                                            14. \u201cA reverse-blocking effect of antiparallel magnetic fields on electron transport in gas\u201d, H. Sugawara: 61st Annual Gaseous Electronics Conference (American Physical Society), FTP1.00004, October 13-17, 2008, Dallas, Texas, USA.<\/li>\n\n\n\n
                                                                            15. \u201cDeposition of layered amorphous fluorocarbon films by C8F18 PECVD\u201d, T. Yamauchi, K. Mizuno and H. Sugawara: 61st Annual Gaseous Electronics Conference on (American Physical Society), FTP1.00019, October 13-17, 2008, Dallas, Texas, USA.<\/li>\n\n\n\n
                                                                            16. \u201cThermal effect on multi-layered amorphous fluorocarbon films composed by plasma-enhanced chemical vapor deposition using perfluorooctane\u201d, K. Mizuno, H. Sugawara, T. Yamauchi and Y. Sakai: 14th Asian Conference on Electrical Discharge, A-3, November 23-25, 2008, Bumi Sangkuriang, Bandung, West Jawa, Indonesia.<\/li>\n\n\n\n
                                                                            17. \u201cEvaluation of the effect of CxHy accumulation on the production of ions and radicals in CH4\/H2 plasma\u201d, Y. Hizume, A. Oda and H. Sugawara: 14th Asian Conference on Electrical Discharge, A-5, November 23-25, 2008, Bumi Sangkuriang, Bandung, West Jawa, Indonesia.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

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