2013 - 2015 Exploring of I-III-VI2 oxide semiconductors and their new functions
2011 - 2012 Charge separation of photo-excited electric charge carriers and its interaction with internal electric filed induced by crystalline polarity
2011 - 2012 Invention and itsguiding principle of new alloying system of zinc oxide realizing optoelectronic function in visible lights
2010 - 2012 Evaluation of high frequency properties of transparent zinc oxide thin films and their application
2007 - 2011 Fabrication of functionalized materials by realizing appropriate doping technology
2008 - 2010 Research on Physics and Chemistry of ZnO and its related alloy crystal wafers aiming to utilization of ZnO based devices
2007 - 2009 Synthesis of compound-semiconductor superlattice structures with isotopic modulation and their properties
2008 - 2008 特異的準安定ナノ構造セラミックスの電子輸送特性に関する研究
2005 - 2006 反強磁性-強磁性積層ナノグラニュラー磁性体薄膜の合成と評価
2005 - 2005 酸化亜鉛基光・電子素子を目指した、欠陥と不純物の化学状態解明とその制御
2002 - 2003 リソグラフィーによる微細加工を利用した焼結体構造・機能模倣素子の試作
2002 - 2003 パルス変調ICPと固体の化学的相互作用を活用したセラミックス材料の高機能化
1999 - 2001 Proposal of new material for ferroelectric thin film memories and method to evaluate material properties.
1998 - 1999 CRYSTAL CHEMICAL STUDY ON 90°DOMAIN SWITCHING PEROVSKITE TYPE FERROELECTRICS
1996 - 1997 Preparation and properties of ferroelectric/semiconductor hybrid-lattice inrefaces
1996 - 1996 ドナー濃度を制御した単結晶を用いた界面準位の結晶方位依存性の評価
1994 - 1996 Synthesis and growth mechanism of diamond and cubic boron nitride
1994 - 1996 Atomic Layr Epitaxy and Property of Artificial Superlattice with Perovskite Type Structure
1993 - 1995 Developments of Composite and Bondiing Materials Prepared by High Pressure Process
酸化物ワイドギャプ半導体
Wide-gap Oxide Semiconductors
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Papers (344):
Hiroshi Mizoguchi, Yuta Osawa, Masato Sasase, Naoki Ohashi, Masaaki Kitano, Hideo Hosono. Ammonia Cracking Catalyzed by Ni Nanoparticles Confined in the Framework of CeO2 Support. The Journal of Physical Chemistry Letters. 2023. 9516-9520
Hirotaka Okabe, Masatoshi Hiraishi, Akihiro Koda, Yoshitaka Matsushita, Takeo Ohsawa, Naoki Ohashi, Ryosuke Kadono. Local Magnetism in the Spin-singlet State of VO2. Proceedings of the 29th International Conference on Low Temperature Physics (LT29). 2023
Masaru Nakamura, Encarnación G. Víllora, Takeo Ohsawa, Kiyoshi Shimamura, Naoki Ohashi. Electronic transport properties of GeS single crystals grown by vapor transport from molten GeS source. Journal of Crystal Growth. 2023
M. Hiraishi, H. Okabe, A. Koda, Ryosuke Kadono, Takeo Ohsawa, Naoki Ohashi, Keisuke Ide, T. Kamiya, H. Hosono. Local electronic structure of dilute hydrogen in β-Ga2O3 probed by muons. Physical Review B. 2023. 107. 4
Clément Lebastard, Maxence Wilmet, Stéphane Cordier, Clothilde Comby-Zerbino, Luke MacAleese, Philippe Dugourd, Naoki Ohashi, Tetsuo Uchikoshi, Fabien Grasset. High performance {Nb5TaX12}@PVP (X = Cl, Br) cluster-based nanocomposites coatings for solar glazing applications. Science and Technology of Advanced Materials. 2022
Kojima K. M., Hiraishi M., Okabe H., Koda A., Kadono R., Ohashi N. Impurity hydrogen site and electronic state in wide-gap semiconductor ZnO as investigated by muon spectroscopy. Meeting Abstracts of the Physical Society of Japan. 2017. 72. 2. 2342-2342
Hiraishi M., Hirata K., Otani S., Ohashi N., Kojima K. M., Okabe H., Takeshita S., Koda A., Kadono R., Zhang Xiao, et al. Study of two dimensional electride Y2C probed by muon Knight shift. Meeting Abstracts of the Physical Society of Japan. 2017. 72. 2. 1333-1333
Ogino, T., Williams, J.R., Watanabe, K., Sakaguchi, I., Hishita, S., Haneda, H., Adachi, Y., Ohgaki, T., Ohashi, N. Effect of crystalline polarity on microstructure and optoelectronic properties of gallium-doped zinc oxide films deposited onto glass substrates. Thin Solid Films. 2014. 552. 56-61
Adachi, Y., Saito, N., Hashiguchi, M., Sakaguchi, I., Suzuki, T., Ohashi, N., Hishita, S. Electrical and optical properties of W-doped ZnO films grown on (112 ̄0) sapphire substrates using pulsed laser deposition. Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan. 2014. 122. 1430. 908-913
1988 - 1992 Tokyo Institute of Technology Graduate School of Science and Engineering Department of Inorganic Materials
1984 - 1988 Tokyo Institute of Technology School of Engineering DEAPRTMENT OF INORGANIC MATERIALS
Professional career (1):
Dr. Eng.
Work history (9):
2007/04 - 現在 National Institute for Materials Science Chief Researcher
2003/04 - 2007/03 National Institute for Materials Science Principal Researcher
2001/04 - 2003/03 National Institute for Materials Science Senior Researcher
2001/01 - 2001/03 National Institute for Rexearch in Inorganic Materials Senior Researcher
2000/07 - 2000/12 National Institute for Research in Inorganic Materials Senior Researcher
1999/07 - 2000/06 Massachusetts Institute of Technology Visiting Scholar
1999/04 - 1999/06 Tokyo Institute of Technology Graduate School of Science and Engineering Assistant Professor
1993/04 - 1999/03 Tokyo Institute of Technology School of Engineering Assistant Professor,
1992/04 - 1993/03 Postdoctral Research Fellow of Japan Society for Promotion of Science
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Awards (11):
2019/01 - République française de Chevalier de l’Ordre national du Mérite
2018/04 - Université de Rennes 1, France Le Doctorat Honoris Causa à l'Université de Rennes 1
2017/06 - Ceramics Society of Japan Outstanding Paper Award, Journal of Ceramics Society of Japan
2015/06 - Ceramics Society of Japan Outstanding Paper Award, Journal of Ceramics Society of Japan Effects of dielectric film surface on oxygen diffusion
2015/06 - Ceramics Society of Japan Outstanding Paper Award, Journal of Ceramics Society of Japan Influence of substrate nitridation on GaN and InN growth by plasma-assisted molecular-beam epitaxy
2012/06 - Ceramics Society of Japan Ceramics Society of Japan Awards for academic achievements in ceramic science and technology
2009/10 - The American Ceramics Society Richard M. Fulrath Award
2004/12 - Materials Research Society Poster Award, 2004 MRS Fall Meeting Crystallinity and Polarity of III-V Nitride Semi conductors Grown on ZnO
1999/05 - Ceramics Society of Japan Outstanding Paper Award, Journal of Ceramics Society of Japan Auger Electron Spectra ofPraseodymium-and Cobalt-Doped ZnO Varistor
1999/05 - Ceramics Society of Japan Ceramics Society of Japan Award for Advancements in Ceramic Science and Technology
Ceramics Society of Japan Fellow
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Association Membership(s) (10):
米国セラミックス学会
, 日本セラミックス協会
, 日本MRS
, 応用物理学会
, DV-Xalpha研究協会
, The Society for Discrete Variational Xalpha
, The Japan Society of Applied Physics
, The American Ceramic Society
, Materials Research Society of Japan
, Ceramic Society of Japan