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J-GLOBAL ID：202001013868461714   Update date: Jan. 17, 2024

Imai Motoharu

イマイ モトハル | Imai Motoharu
Affiliation and department：
National Institute for Materials Science Research center for functional materials

About National Institute for Materials Science Research center for functional materials


Job title： Managing researcher
Research field  (1)： Metallic materials
Research keywords  (7)： silicides ,  Zintl phase ,  high pressures ,  solar cell materials ,  thermoelectric materials ,  superconducting materials ,  semiconductors
Research theme for competitive and other funds  (8)：
  • 2022 - 2026 Physical properties elucidation of silicide and elemental technologies development for thermoelectric devices
  • 2021 - 2025 Synthesis of group IV clathrate and its application of optical devices as direct-transition semiconductor
  • 2017 - 2021 Research on physical properties of SiGe clathrate having direct gap in visible region
  • 2016 - 2019 Development of thin-film multi-junction solar-cell materials that consist of earth-abundant elements
  • 2011 - 2017 Development of Group 14 clathrate solar cell
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Papers (145)：
  • Motoharu Imai, Yoshitaka Matsushita. Effect of Ca substitution on crystal structure and band gap of solar cell material BaSi2. Journal of Solid State Chemistry. 2024
  • Motoharu Imai, Kwangsik Han, Mitsuaki Nishio, Takeshi Kato, Satoshi Kawada, Satoshi Emura, Taichi Abe, Hiroshi Fujihisa. Sr-Si diagram at Si contents of 55-100 at% and crystal structure of SrSi2-. Journal of Alloys and Compounds. 2023
  • Motoharu Imai, Takanobu Hiroto. Thermal expansion coefficient and bulk modulus of silicides. Japanese Journal of Applied Physics. 2023
  • T. Suemasu, K. O. Hara, H. Udono, M. Imai. Silicon meets group-II metals in energy and electronic applications-How to handle reactive sources for high-quality films and bulk crystals. Journal of Applied Physics. 2022
  • Ryo Matsumoto, Kensei Terashima, Satoshi Nakano, Kazuki Nakamura, Sayaka Yamamoto, Takafumi D. Yamamoto, Takahiro Ishikawa, Shintaro Adachi, Tetsuo Irifune, Motoharu Imai, et al. High-Pressure Synthesis of Superconducting Sn3S4 Using a Diamond Anvil Cell with a Boron-Doped Diamond Heater. INORGANIC CHEMISTRY. 2022. 61. 10. 4476-4483
ｍore...
MISC (69)：
  • Motoharu Imai. Electronic States and Optical Properties of Silicides with Unique Arrangements of Si Atoms. The Laser Society of Japan. 2022. 50. 10. 580-584
  • 谷本拓, 北浦守, 渡邊真太, 伊奈稔哲, 今井基晴, 鵜殿治彦, 石崎学, 山根久典, 大西彰正. Local structure analysis of Mg2Si single crystal by EXAFS experiment. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
  • Motoharu Imai, Naoto Umezawa. Electronic properties, optical absorption coefficient, and defect properties of thin-film solar cell material BaSi2. Butsuri. 2020. 75. 3. 148-153
  • Motoharu Imai, Tetsuji Kume. Semiconducting Si clathrates. 2018. 53. 9. 473-486
  • MATSUSHITA Akiyuki, SASAKI Taizo, NAKA Takashi, IMAI Motoharu. A Tribute to the Memory of the Late Prof. Yamada. The Review of High Pressure Science and Technology. 2017. 27. 2. 156-157
ｍore...
Books (3)：
  • Encyclopedia of High Pressure Science & Technology
    2022 ISBN:9784254102970
  • シリサイド系半導体の科学と技術 : 資源・環境時代の新しい半導体と関連物質
    裳華房 2014 ISBN:9784785329204
  • 環境・エネルギー材料ハンドブック
    オーム社 2011 ISBN:9784274209857
Education (3)：
  • 1988 - 1991 Keio University Graduate School of Science and Technology
  • 1986 - 1988 Keio University Graduate School of Science and Technology
  • 1982 - 1986 Keio University Faculty of Science and Technology Department of Physics
Work history (4)：
  • 2001/04 - 現在 National Institute for Materials Science
  • 2002/10 - 2003/09 Ministry of Education, Cluture, Sports, Science and Technology
  • 1991/04 - 2001/03 National Research Institute for Metals
  • 1996/09 - 1998/02 Northwestern University Deapartment of Chemistry visiting schalor
Association Membership(s) (3)：
日本高圧力学会 ,  応用物理学会 ,  日本物理学会
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