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J-GLOBAL ID：200901069582833077   Update date: Apr. 22, 2024

Wakahara Akihiro

ワカハラ アキヒロ | Wakahara Akihiro
Affiliation and department：
Toyohashi University of Technology Graduate School of Engineering

About Toyohashi University of Technology Graduate School of Engineering


Job title： Professor
Homepage URL  (1)： http://www.int.ee.tut.ac.jp/
Research field  (4)： Electronic devices and equipment ,  Electric/electronic material engineering ,  Crystal engineering ,  Thin-film surfaces and interfaces
Research keywords  (3)： Semiconductor Physics ,  Crystal Growth ,  Optoelectronics
Research theme for competitive and other funds  (32)：
  • 2016 - 2018 Single Photon Source and Qubits Based on Lanthanide Doped GaN
  • 2015 - 2018 Introduction of experiments using blue LED fabrication to the education of National institution of technology
  • 2018 - 集積化マイクロLEDアレイ技術の高解像度プロジェクタへの展開
  • 2014 - 2017 The construction of an education skill archive enabling practical education and joint ownership by the ICT
  • 2013 - 2016 Development of defect reduction method for a lattice-matched III-V-N / Si laser monolithically integrated on Si-chip
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Papers (227)：
  • E. M. Pavelescu, D. Ticoş, O. Ligor, C. Romaniţan, A. Matei, F. Comănescu, V. Ţucureanu, S. I. Spânulescu, C. Ticoş, T. Ohshima, et al. Enhancement in photoluminescence from GaPAsN/GaP alloys by 6-MeV electrons irradiation and rapid thermal annealing. Optical Materials. 2024. 149. 115075
  • Mitsuo Yamaga, Kevin P. O'Donnell, Hiroto Sekiguchi, Akihiro Wakahara. Crystal-field analysis and models of Eu-emission centers with C3 symmetry in situ Eu- and Mg-codoping GaN layers. Journal of Luminescence. 2023. 262. 119953-119953
  • Keisuke Yamane, Yuito Maki, Shun One, Akihiro Wakahara, Emil Mihai Pavelescu, Takeshi Ohshima, Tetsuya Nakamura, Mitsuru Imaizumi. Mechanism of improved crystallinity by defect-modification in proton-irradiated GaAsPN photovoltaics: Experimental and first-principle calculations approach. Journal of Applied Physics. 2022. 132. 6
  • Tomohiro Okuno, Ryota Onoda, Lisa Toyoshima, Kasumi Miyata, Hiroto Sekiguchi, Akihiro Wakahara, Toshihiro Nakaoka. Local strain-dependent Zeeman splitting in GaN:Eu. AIP Advances. 2022. 12. 7. 075315-075315
  • Keisuke Yamane, Ryo Futamura, Shigeto Genjo, Daiki Hamamoto, Yuito Maki, Emil Mihai Pavelescu, Takeshi Ohshima, Taishi Sumita, Mitsuru Imaizumi, Akihiro Wakahara. Improved crystallinity of GaP-based dilute nitride alloys by proton/electron irradiation and rapid thermal annealing. JAPANESE JOURNAL OF APPLIED PHYSICS. 2022. 61. 2
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MISC (15)：
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Patents (20)：
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Books (4)：
  • Rare-Earth Doped III-Nitrides for Optoelectronic and Spintronic Applications (Topics in Applied Physics)
    Springer 2014 ISBN:9401784728
  • 固体電子物性 (新インターユニバーシティ)
    オーム社 2009 ISBN:4274207811
  • プロフェッショナル英和辞書 スペッドテラ
    小学館 2004 ISBN:9784095067117
  • 結晶成長の基礎(共著)
    培風館 1997 ISBN:4563036188
Lectures and oral presentations  (848)：
  • 希薄窒化物結晶の結合状態制御に向けたGaPN混晶への電子線照射試験
    (第70回応用物理学会春季学術講演会 2023)
  • InP/GaPN系 Type-II 量子ドット太陽電池構造の作製
    (第70回応用物理学会春季学術講演会 2023)
  • 基底状態原子支援化学気相堆積法によるシリコン酸化膜の形成及び評価(2)
    (2023年第70回応用物理学会春季学術講演会 2023)
  • アンチモン被覆GaP表面への窒素原子取り込み様式の理論的解析
    (第70回応用物理学会春季学術講演会 2023)
  • InP/GaP系Type-II量子ドット太陽電池構造におけるバンドオフセットのドットサイズ依存性
    (第5回結晶工学xISYSE合同研究会 2022)
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Education (4)：
  • 1987 - 1990 Toyohashi University of Technology
  • 1985 - 1987 Toyohashi University of Technology
  • 1983 - 1985 Toyohashi University of Technology Faculty of Engineering
  • - 1983 Ntional Institute of Technology, Kushiro College Department of Electronics
Professional career (1)：
  • Dr of Engineering (Toyohashi University of Technology)
Work history (6)：
  • 2022/04 - 現在 Toyohashi University of Technology Executive Trustee, Vice President
  • 2010/04 - 2022/03 Toyohashi Univ. of Tech. Graduate School of Engineering Professor
  • 2005/04 - 2010/03 Toyohashi Univ. of Tech. Faculty of Engineering Professor
  • 1997/08 - 2005/03 Toyohashi Univ. of Tech. Faculty of Engineering Associate Professor
  • 1995/04 - 1997/07 Kyoto University Graduate School of Engineering Research Associate
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Committee career (5)：
  • 2021/10 - 現在 Electronic Materials Symposium Chair, Steering Committee
  • 2020/12 - 現在 日本学術振興会 産学協力委員会 R025 先進薄膜界面機能創成委員会 委員
  • 2005 - 現在 応用物理学会 東海支部 幹事
  • 2021/04 - 2023/03 応用物理学会 理事(支部長)
  • 2002 - 2005 応用物理学会 学会誌 編集委員
Awards (2)：
  • 2016/04 - The Japan Society of Applied Physics Poster Award イオン注入技術を用いたプレーナ型GaN-LEDの作製
  • 2007/09 - The Japan Society of Applied Physics JSAP Outstanding Paper Award Monolithic Implementation of Elemental Devices for Optoelectronic Integrated Circuit in Lattice-Matched Si/Alloy Layers
Association Membership(s) (4)：
Materials Society of Japan ,  Japanese Association for Crystal Growth Cooperation ,  Japan Society of Applied Physics ,  The Institute of Electronics, Information and Communication Engineers
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