KOYAMA Masatoshi

写真a

Title

Associate Professor

Research Fields, Keywords

Semiconductor engineering, Semiconductor devices, Physics of semiconductor, Semiconductor manufacturing processes
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Graduating School 【 display / non-display 】

  • Osaka Institute of Technology   Faculty of Engineering   Department of Electrical and Electronic Systems Engineering   Others

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Graduate School 【 display / non-display 】

  • Osaka Institute of Technology  Graduate School of Engineering  Electrical and Electronic Engineering  Doctor's Course  Completed  Others

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Degree 【 display / non-display 】

  • Osaka Institute of Technology -  Doctor(Engineering)  Physics of Semiconductor, Devices

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Association Memberships 【 display / non-display 】

  • 　
    　
    　
     

    The Electrochemical Society  Others

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Committee Memberships 【 display / non-display 】

  • 2024.06
    -
    Now

     

  • 2021.04
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    2023.03

     

  • 2024.04
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    Now

     

  • 2018.06
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    Now

     

  • 2019.07
    　
    　

    Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2019)   Technical Program Committee

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Research field 【 display / non-display 】

  • Semiconductor engineering

  • Electronic materials/Electric materials

  • Physics of semiconductors

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Papers 【 display / non-display 】

  • Electron-beam Deposition with Low Spitting Platinum Source Material Improved by New Impurity Removal Processes

    Atsushi Kawashimo, Takahiro Kobayashi, Masatoshi Koyama, Yuichiro Shindo  ( Multiple Authorship )

    CS MANTECH Digest of papers     2024.05

    Research paper (international conference proceedings)  English

  • Fabrication and characterization of low barrier height InAs/GaxIn1-xAs/InAs heterostructure diodes toward millimeter-wave detection

    Moto Inou,; Masatoshi Koyama, Toshihiko Maemoto, and Shigehiko Sasa  ( Multiple Authorship )

    2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)     2023.10

    Research paper (international conference proceedings)  English

    DOI

  • Repeated bending durability evaluation of ZnO and Al-doped ZnO thin films grown on cyclo-olefin polymer for flexible oxide device applications

    K Oura, T Kumatani, H Wada, M Koyama, T Maemoto, S Shigehiko  ( Multiple Authorship )

    Japanese Journal of Applied Physics     2022.09

    Research paper (scientific journal)  English

    DOI

  • Decay time extension of terahertz electromagnetic waves emitted from coherent longitudinal optical phonons in GaAs epitaxial layers with the use of fast atom bombardment

    HIDEO TAKEUCHI, YUTO OMUKU, RYOTA ONODA, TOSHIHIRO NAKAOKA, JUN UTSUMI, SHIGEO KAWASAKI, MASATOSHI KOYAMA  ( Multiple Authorship )

    Optics Continuum     2022.09

    Research paper (scientific journal)  English

    DOI

  • Improved electrical performance of solution-processed zinc oxide-based thin-film transistors with bilayer structure

    Kazuyori Oura, Hideo Wada, Masatoshi Koyama, Toshihiko Maemoto, and Shigehiko Sasa  ( Multiple Authorship )

    Journal of Information Display   23   105 - 113   2021.12

    Research paper (scientific journal)  English

    DOI

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Review Papers 【 display / non-display 】

  • UV Detection Properties of Mist CVD Grown Amorphous Ga2O3 Thin Films

    Manami MIYAZAKI, Iori YAMASAKI, Yuma TANAKA, Masatoshi KOYAMA, Akihiko FUJII and Toshihiko MAEMOTO  ( Joint Work )

    IEICE Technical Report ( IEICE ) ED2024-17   15 - 18   2024.08

    Introduction and explanation (scientific journal)  Japanese

  • Fabrication and Characterization of Indium Oxide Thin Thin-Film Transistors using Excimer Light Assist Process

    Ryosuke KASAHARA Takeaki KOMAI Hideo WADA† Masatoshi KOYAMA Akihiko FUJII Akihiro SHIMIZU Noritaka TAKEZOE Shion YAMAGUCHI Hiroyasu ITO and Toshihiko MAEMOTO  ( Joint Work )

    IEICE Technical Report ( IEICE ) ED2024-15   8 - 11   2024.08

    Introduction and explanation (scientific journal)  Japanese

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Research Grants and Projects 【 display / non-display 】

  • Project Year：2024.04  -  2025.03 

  • Project Year：2021.04  -  2024.03 

  • Project Year：2020.04  -  2024.03 

  • Project Year：2019.04  -  2022.03 

  • Project Year：2017.04  -  2021.03 

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Presentations 【 display / non-display 】

  • Achieving High Current Density in AlOx/ZnO Multilayer TFTs for Flexible OLED Applications through Low-Temperature Post Annealing

    Kensuke Nakata, Kaiko Yuge, Akira Fujimoto, Hideo Wada, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto

    International conference  The 2024 International Meeting for Future of Electron Devices, Kansai  ( Ryukoku Univ. Fukakusa Campus (Jojukan), Kyoto, Japan )  Poster (general)

    2024.11
    　
    　

  • Thickness Controle in CH3NH3PbI3 Thin Film Fabrication by Bar-Coating Method for Solar Cell Application

    Masaki Horie, Masatoshi Koyama, Toshihiko Maemoto, Akihiko Fujii

    International conference  The 16th Asian Conference on Organic Electronics(A-COE 2024)  ( I-site Namba, Osaka, Japan )  Poster (general)

    2024.11
    　
    　

  • Effect of Post-annealing on Structural and Optical Properties of Mist-CVD Grown Amorphous Ga2O3 Thin Films

    Manami Miyazaki, Iori Yamasaki, Yuma Tanaka, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto

    International conference  The 11th Asia-Pacific Workshop on Widegap Semiconductors (APWS 2024)   ( Busan, Korea )  Poster (general)

    2024.10
    　
    　

  • Low Temperature Growth of Amorphous Ga2O3 on C-plane Sapphire Substrates by Mist Chemical Vapor Deposition

    Iori Yamasaki, Manami Miyazaki, Yuma Tanaka, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto

    International conference  The 11th Asia-Pacific Workshop on Widegap Semiconductors (APWS 2024)   ( Busan, Korea )  Poster (general)

    2024.10
    　
    　

  • UV Detection Properties of Mist CVD Grown Amorphous Ga2O3 Thin Films

    Internal meeting  Oral Presentation(general)

    2024.08
    　
    　

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