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Title |
Associate Professor |
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Research Fields, Keywords |
Semiconductor engineering, Semiconductor devices, Physics of semiconductor, Semiconductor manufacturing processes |
KOYAMA Masatoshi
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Graduating School 【 display / non-display 】
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Osaka Institute of Technology Faculty of Engineering Department of Electrical and Electronic Systems Engineering Others
Graduate School 【 display / non-display 】
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Osaka Institute of Technology Graduate School of Engineering Electrical and Electronic Engineering Doctor's Course Completed Others
Degree 【 display / non-display 】
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Osaka Institute of Technology - Doctor(Engineering) Physics of Semiconductor, Devices
Association Memberships 【 display / non-display 】
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The Electrochemical Society Others
Committee Memberships 【 display / non-display 】
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2024.06-Now
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2021.04-2023.03
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2024.04-Now
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2018.06-Now
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2019.07
Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2019) Technical Program Committee
Research field 【 display / non-display 】
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Electronic materials/Electric materials
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Physics of semiconductors
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Semiconductor engineering
Papers 【 display / non-display 】
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Fabrication and Characterization of β-Phase (Ga1−xInx)2O3 Alloyed Films on C-Plane Sapphire Substrates by Chemical Solution Deposition for Application in Visible-Blind UV Photodetectors
( Multiple Authorship )
74 ( 10 ) 2025.10
Research paper (scientific journal) Japanese
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Heat Resistance Improvement of Palladium Pre Plated Frames of Semiconductor Packaging with a New Additive for Nickel Plating
S. Sekiguchi, S. Mizuhashi, Y. Sato, M. Koyama, Y. Shindo ( Multiple Authorship )
CS MANTECH Digest of papers 2025.05
Research paper (international conference proceedings) English
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Electron-Beam Deposition with Low Spitting Silver Source Material Improved by New Impurity Removal Processes
Y. Fujimoto, T. Kobayashi, M. Koyama, Y. Shindo ( Multiple Authorship )
CS MANTECH Digest of papers 2025.05
Research paper (international conference proceedings) English
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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
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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
Review Papers 【 display / non-display 】
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Characterization of physical properties and UV photoresponse of amorphous GaOx thin films grown on c-plane sapphire substrates by mist CVD method
Iori YAMASAKI Shunsuke ENOKI Misaki NISHIKAWA Masatoshi KOYAMA Akihiko FUJII Toshihiko MAEMOTO ( Joint Work )
IEICE Technical Report ( IEICE ) ED2025-17 2025.06
Introduction and explanation (scientific journal) Japanese
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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
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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
Research Grants and Projects 【 display / non-display 】
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Project Year：2025.04 - 2026.03
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Project Year：2024.04 - 2025.03
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Project Year：2021.04 - 2024.03
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Project Year：2020.04 - 2024.03
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Project Year：2019.04 - 2022.03
Presentations 【 display / non-display 】
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Growth of orthorhombic κ-Ga₂O₃ thin films on N-polar GaN by mist chemical vapor deposition
Misaki Nishikawa, Masatoshi Koyama, Akihiko Fujii, Toshihiko Maemoto
International conference European Material Research Society Fall Meeting ( Warsaw, Poland ) Poster (general)
2025.09 -
Growth of orthorhombic κ-(In1-xGax)2O3 thin films on (111) 3C-SiC templates via mist chemical vapor deposition
Masatoshi Koyama, Yuma Tanaka, Misaki Nishikawa, Shunsuke Enoki, Akihiko Fujii, Toshihiko Maemoto
International conference European Material Research Society Fall Meeting ( Warsaw, Poland ) Oral Presentation(general)
2025.09 -
Nonlinear Electrical Transport by Doping Effects on Graphene/MoS2van der Waals Heterostructure
A. Fujimoto, K. Mimura, T. Hasegawa, M. Koyama, Y. Harada, T. Maemoto
International conference The 26th International Conference on Electronic Properties of 2D Systems & the 22nd International Conference on Modulated Semiconductor Structures(The 26th EP2DS / The 22th MSS) ( St. Louis, U.S.A. ) Poster (general)
2025.07-2025.08 -
Nonlinear Electron Transport Properties in InAs/GaxIn1-xAs/InAs Low-Barrier Heterostructure Diodes
Ryo Kawano, Moto Inoue, Yoshihisa Hosomi, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto
International conference 2025 Asia-Pacific Workshop on Advanced Semiconductor Devices ( Nara, Japan ) Oral Presentation(general)
2025.07 -
Fabrication and Characterization of Amorphous GaOx Thin Film UV-C Photodetectors on Quartz Glass
Shunsuke Enoki, Iori Yamasaki, Misaki Nishikawa, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto
International conference 2025 Asia-Pacific Workshop on Advanced Semiconductor Devices ( Nara, Japan ) Oral Presentation(general)
2025.07