YASUHISA OYA

オオヤヤスヒサ | YASUHISA OYA

Affiliation and department：
Job title： Associate Professor
Homepage URL (1)： http://fusion.sci.shizuoka.ac.jp

Research field (1)： Energy chemistry

Research keywords (3)：表面分析化学 , 放射化学 , トリチウム

Research theme for competitive and other funds (8)：

2020 - 2023 Plasma driven permeation for plasma facing materials and its hydrogen isotope effect
2022 - STEAM教育手法を活用し、エネルギー・環境問題を基盤とした理系教員養成原子力人材育成
2011 - 2012 Quantitative evaluation and active control of tritiumrecycling in the plasma facing materials during mixed ion implantations
2010 - 2012 Quantitative evaluation and active control of tritiumrecycling in the plasma facing materials during mixed ion implantations
2009 - 2009 Mixing of tungsten and carbon and tritium dynamics at fusion first wall

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Papers (223)：

F. Sun, D.Y. Chen, Q.H. Liu, J.P. Zhu, X.C. Li, H.S. Zhou, Y. Oya, L.M. Luo, Y.C. Wu. Competitive barrier and trapping effects of helium bubbles on hydrogen isotopes migration behavior in tungsten. Journal of Nuclear Materials. 2024. 155197
Y.J. Huang, C. Hao, Q.H. Liu, J.P. Zhu, F. Sun, Y. Oya, Y.C. W. Influence of helium bubbles location on hydrogen isotope retention and exchange behavior in plasma-facing materials: A numerical simulation investigation. Nuclear Materials and Energy. 2024. 101596
Baiyun Cheng, Qilai Zhou, Shengming Yin, Kaixuan Zhu, Yasuhisa Oya. abrication, sintering behavior, and strength of tritium breeding ceramic pebbles with Pb addition. Ceramics International. 2024. 27389-27402
F. Sun, C. Hao, D.Y. Chen, H.S. Zhou, Y. Oya, J.P.Zhu, J. Tang, H. Zong, L.M. Luo, Y.C. Wu. Mechanism of hydrogen isotope exchange for tritium removal in plasma-facing materials: a multi-scale investigation. Nuclear Fusion. 2024. 046011
Masayuki Tokitani, Mitsutaka Miyamoto, Suguru Masuzaki, Yuji Hatano, Sun Eui Lee, Yasuhisa Oya, Hironori Kurotaki, Nobuyuki Asakura, Hirofumi Nakamura, Takumi Hayashi, et al. Co-deposited layers on gap surfaces of bulk tungsten divertor tiles in JET ITER-like wall: Directional effects and nanostructures. Nuclear Materials and Energy. 2024. 39. 101678-101678

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MISC (7)：

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Patents (2)：

Books (6)：

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Lectures and oral presentations (37)：

Synergistic effects of bulk/surface helium and irradiation damage on hydrogen isotope retention behavior in plasma facing materials (PFMs)
(APSOT-3 2020)
Evaluation of hydrogen retention behavior of damaged tungsten exposed to hydrogen plasma at QUEST with high temperature wall
(3rd Asia Pacific Symposium on Tritium Science 2020)
Protective behavior of tea catechins on DNA double strand breaks by radiations with different Linear Energy Transfer (LET)
(3rd Asia Pacific Symposium on Tritium Science 2020)
Influence of He and/or irradiation defects on the plasma driven permeation behavior in tungsten material
(3rd Asia Pacific Symposium on Tritium Science 2020)
Overview of hydrogen isotope retention characteristics for plasma facing walls after exposure in 2015-2019 QUEST plasma
(19th International Toki Conference (ITC-19) 2020)

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Education (4)：

- 1999 Tohoku University
- 1999 Tohoku University Graduate School, Division of Engineering Department of Quantum Science and Energy Engineering
- 1994 Shizuoka University Faculty of Science Department of Chemistry
- 1994 Shizuoka University Faculty of Science

Professional career (1)：

Work history (2)：

Committee career (2)：

Awards (4)：

Association Membership(s) (5)：

日本アイソトープ協会 , 日本科学教育学会 , 日本放射化学会 , プラズマ・核融合学会 , 日本原子力学会

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