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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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2025.08-Now
European Materials Research Society FRANCE
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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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High-Mobility In2O3 and InGaO TFTs Using Aqueous Precursor Solutions and Excimer Light Irradiation Process
Hideya Ochiai, Kazuki Ueda, Takuya Nomura, Akira Fujimoto, Hideo Wada, Masatoshi Koyama, Akihiko Fujii, Toshihiko Maemoto, Akihiro Shimizu, Noritaka Takezoe and Hiroyasu Ito
International conference The 2025 International Meeting for Future of Electron Devices, Kansai ( Online & Ryukoku Univ. Fukakusa Campus (Jojukan), Kyoto ) Poster (general)
2025.11 -
Oxide MIM Diodes with ZnO/AlOx Bilayer for High-Frequency Rectenna Applications
Haruto Monda, Kensuke Nakata, Naoki Takada, Hideo Wada, Masatoshi Koyama, Akihiko Fujii, and Toshihiko Maemoto
International conference The 2025 International Meeting for Future of Electron Devices, Kansai ( Online & Ryukoku Univ. Fukakusa Campus (Jojukan), Kyoto ) Poster (general)
2025.11 -
10,000-Cycle Bending Durability of ZnO Thin-Films on Flexible Polymer Substrates for Flexible Oxide Devices
Toshihiko Maemoto, Kazuyori Oura, Kensuke Nakata, Naoki Takada, Hideo Wada, Masatoshi Koyama, Akihiko Fujii
International conference International Conference on Hybrid Quantum Systems and Nanotechnologies 2025()HQSN2025 / International Workshop on Hybrid Quantum Materials, Sciences, and Technologies 2025(HQMST2025) ( Matsue, Japan ) Poster (general)
2025.10 -
Characterization of Indium Oxide TFTs Fabricated from an Aqueous Precursor with 172-nm Excimer-Light Activation
Kazuki Ueda, Ryosuke Kasahara, Hideya Ochiai, Takuya Nomura, Akira Fujimoto, Hideo Wada, Masatoshi Koyama, Akihiko Fujii, Akihiro Shimizu, Noritaka Takezoe, Hiroyasu Ito, Toshihiko Maemoto
International conference International Conference on Hybrid Quantum Systems and Nanotechnologies 2025()HQSN2025 / International Workshop on Hybrid Quantum Materials, Sciences, and Technologies 2025(HQMST2025) ( Matsue, Japan ) Poster (general)
2025.10 -
AlOx/ZnO MIM Diodes for Transparent Rectenna Applications
Haruto Monda, Kensuke Nakata, Naoki Takada, Hideo Wada, Masatoshi Koyama, Akihiko Fujii, Toshihiko Maemoto
International conference International Conference on Hybrid Quantum Systems and Nanotechnologies 2025()HQSN2025 / International Workshop on Hybrid Quantum Materials, Sciences, and Technologies 2025(HQMST2025) ( Matsue, Japan ) Poster (general)
2025.10