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J-GLOBAL ID：200901097901968987   Update date: Jun. 20, 2024

Suemasu Takashi

スエマス タカシ | Suemasu Takashi
Affiliation and department：
University of Tsukuba Faculty of Pure and Applied Sciences

About University of Tsukuba Faculty of Pure and Applied Sciences


Job title： Professor
Research field  (3)： Crystal engineering ,  Optical engineering and photonics ,  Applied materials
Research keywords  (2)： crystal growth, epitaxy, solar cell, domain wall, motion, ferrimagnet, spintronics, devices, thermoelectric materials ,  Thin-film growth, MBE, sputtering, materials, solar cell, spintronics, devices, thermoelectronics
Research theme for competitive and other funds  (23)：
  • 2021 - 2025 界面層によるキャリア再結合抑制効果を用いたガラス上シリサイド半導体高効率太陽電池
  • 2019 - 2024 Nitride-based spintronics materials for ultrafast current-induced domain wall motion
  • 2019 - 2020 Studies on nitride-based spintronics materials with perpendicular magnetic anisotropy
  • 2018 - 2020 Conductivity control of semiconducting silicides by composition ratios and formation of homojunction solar cells on glass substrates
  • 2017 - 2018 Formation of oxygen-doped semiconducting silicides for top-cell materials in Si-based tandem solar cells
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Papers (558)：
  • Kido, K, Takenaka, H, Hasebe, H, Du, R, Mesuda, M, Toko, K, Suemasu, Takashi. Film properties affecting the photoresponsivity of polycrystalline BaSi2 films formed by radio-frequency co-sputtering. Materials Science in Semiconductor Processing. 2024. 176. 108301.1-108301.4
  • Hatate, A, Horiuchi, T, Ishiyama, T, Toko, Kaoru, Amemiya, K, Suemasu, Takashi. X-ray magnetic circular dichroism of Mn4-xGaxN epitaxial thin films confirming ferrimagnetic-ferromagnetic phase transition by nonmagnetic Ga doping. Journal of Magnetism and Magnetic Materials. 2024. 597. 171973.1-171973.7
  • Igura, K, Nozawa, K, Suemasu, T, Toko, K. Strain-dependent grain boundary properties of n-type germanium layers. Scientific Reports. 2024. 14. 1. 7812
  • Nozawa, K, Ishiyama, T, Suemasu, T, Toko, K. Prediction and Elucidation of Physical Properties of Polycrystalline Materials Using Multichannel MachineLearning of Electron Backscattering Diffraction. ADVANCED ELECTRONIC MATERIALS. 2024. 10. 2300875
  • Yasuda, T, Toko, K, Amemiya, K, Suemasu, Takashi. Composition dependence of crystalline and magnetic properties in Mn4-xGexN epitaxial thin films. Journal of Magnetism & Magnetic Materials. 2024. 593. 171813.1-171813.6
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Patents (35)：
  • 半導体装置とその製造方法
  • 珪化バリウム系膜及びその製造方法
  • 半導体装置とその製造方法および光電変換装置
  • 珪化バリウム系膜及びその製造方法
  • 半導体装置とその製造方法
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Books (7)：
  • Rare-earth-free Ferrimagnetic Mn4N Spintronics
    IOP Publishing 2024
  • 2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC)
    IEEE 2015 ISBN:9781479979448
  • ASIA-PACIFIC CONFERENCE ON SEMICONDUCTING SILICIDES SCIENCE AND TECHNOLOGY TOWARDS SUSTAINABLE OPTOELECTRONICS (APAC-SILICIDE 2010)
    ELSEVIER SCIENCE BV 2011
  • ASIA-PACIFIC CONFERENCE ON SEMICONDUCTING SILICIDES SCIENCE AND TECHNOLOGY TOWARDS SUSTAINABLE OPTOELECTRONICS (APAC-SILICIDE 2010)
    ELSEVIER SCIENCE BV 2011
  • ASIA-PACIFIC CONFERENCE ON SEMICONDUCTING SILICIDES SCIENCE AND TECHNOLOGY TOWARDS SUSTAINABLE OPTOELECTRONICS (APAC-SILICIDE 2010)
    ELSEVIER SCIENCE BV 2011
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Lectures and oral presentations  (44)：
  • Marked improvement of the photoresponsivity of BaSi2 light absorbers by increasing growth temperature and three-step growth method
    (IEEE 46th Photovoltaic Specialists Conference (PVSC) 2019)
  • Expansion of Solid-phase Interactions between Carbon and Metals: Layer Exchange for Multilayer Graphene on Insulator
    (Compound Semiconductor Week (CSW) Conference 2019)
  • Structural and optical properties of GaAs film grown on a glass substrate using a large-grained Ge seed layer for solar cell applications
    (Compound Semiconductor Week (CSW) Conference 2019)
  • Epitaxial growth of BaSi2 light absorbers by molecular beam epitaxy and significant photoresponsivity enhancement by increased growth temperatures
    (Compound Semiconductor Week (CSW) Conference 2019)
  • Investigation of p-BaSi2/n-Si heterojunction solar cells on Si(001) and comparison to those on Si(111)
    (7th IEEE World Conference on Photovoltaic Energy Conversion (WCPEC) / A Joint Conference of 45th IEEE PVSC / 28th PVSEC / 34th EU PVSEC 2018)
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Education (2)：
  • - 1996 Tokyo Institute of Technology Graduate School, Division of Science and Engineering
  • - 1991 Tokyo Institute of Technology Faculty of Engineering
Professional career (1)：
  • Doctor of Engineering (Tokyo Institute of Technology)
Work history (1)：
  • 2011/08 - 2013/07 MEXT
Committee career (9)：
  • 2021/04 - 現在 ARIM Japan
  • 2021/04 - 現在 ARIM Japan
  • 2020/01 - 現在 応用物理学会 大分類(半導体)代表
  • 2016/01 - 現在 応用物理学会 プログラム委員
  • 2022/04 - 2025/03 日本学術振興会 学術システム研究センター 専門研究員
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Awards (12)：
  • 2019 - 筑波大学best faculty member (領域:研究)
  • 2015 - 2015年度APEX/JJAP編集貢献賞
  • 2013/07 - SPring-8 User Community SPRUC 2013 Young Scientist Award
  • 2013/06 - IEEE 39th PVSC Best Poster Award
  • 2012/11 - 応用物理学会 応用物理学会講演奨励賞(BaSi2エピタキシャル膜中のp型不純物原子AlとBの格子拡散および粒界拡散の評価)
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Association Membership(s) (2)：
THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. ,  The Japan Society of Applied Physics
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