Research theme for competitive and other funds (12)：
2021 - 2025 実用表面材料開発研究のための高効率な全反射高速陽電子回折実験システムの開発
2023 - 2024 Investigation for the advancement of the general-purpose surface-structural-analysis programme, 2DMAT II
2022 - 2023 汎用表面構造解析プログラム「2DMAT」高度化に向けての調査研究
2018 - 2021 低速陽電子回折によるトポロジカル近藤絶縁体表面の原子配列の可視化
2016 - 2018 スピン偏極低速陽電子回折による表面磁気構造の研究
2014 - 2017 加速器ベース低速陽電子ビームのパルスストレッチと陽電子回折実験への応用
2012 - 2016 ポジトロニウム負イオンの光脱離を利用したポジトロニウムビーム科学の展開
2012 - 2016 高輝度・高強度陽電子回折法の開発と表面研究への応用
2012 - 2015 Development of the measurement method of the internal micro defects in the dental zirconia ceramics
2012 - 2013 ポジトロニウムを用いた細孔サイズ評価法の基礎付けと応用
2011 - 2012 ヨウ化メタン気体分子のポジトロニウム消滅断面積の異常の解明
2004 - 2006 Study of the interactions between positronium and atoms or molecules
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Papers (59)：
K. Shu, Y. Tajima, R. Uozumi, N. Miyamoto, S. Shiraishi, T. Kobayashi, A. Ishida, K. Yamada, R. W. Gladen, T. Namba, et al. Cooling positronium to ultralow velocities with a chirped laser pulse train. nature. 2024. 633. 793-797
Matthias Dodenhöft, Izumi Mochizuki, Ken Wada, Toshio Hyodo, Peter Richter, Philip Schädlich, Thomas Seyller, Christoph Hugenschmidt. Determination of the spacing between hydrogen-intercalated quasifreestanding monolayer graphene and 6H-SiC(0001) using total-reflection high-energy positron diffraction. Physical Review B. 2023. 108. 15. 155438-1-6
Kenji Shu, Kyohei Yamada, Kaori Hashidate, Akira Ishida, Toshio Namba, Shoji Asai, Makoto Kuwata-Gonokami, Yohei Tajima, Eunmi Chae, Kosuke Yoshioka, et al. Development of a porous silica cavity for laser excitation of confined positronium. JJAP Conference Proceedings. 2023. 9. 011202
Yuki Tsujikawa, Masafumi Horio, Xiaoni Zhang, Tomoaki Senoo, Takeru Nakashima, Yasunobu Ando, Taisuke Ozaki, Izumi Mochizuki, Ken Wada, Toshio Hyodo, et al. Structural and electronic evidence of boron atomic chains. Physical Review B. 2022. 106. 205406
A Kawasuso, M Maekawa, A Miyashita, K Wada, Y Nagashima, A Ishida. Positronium emission from GaN(0001) and AlN(0001) surfaces. Journal of Physics B: Atomic, Molecular and Optical Physics. 2021. 54. 20. 205202-205202
石田明, 難波俊雄, 浅井祥仁, 田島陽平, 小林拓豊, 魚住亮介, 周健治, 吉岡孝高, 大島永康, O’ROURKE Brian E., et al. Development of nanomaterials for positronium formation aiming at Bose-Einstein condensation. アイソトープ・放射線研究発表会(Web). 2023. 60th
周健治, 田島陽平, 魚住亮介, 宮本尚樹, 白石蒼馬, 小林拓豊, 山田恭平, GLADEN Randall W., 難波俊雄, 浅井祥仁, et al. Laser cooling of positronium using a chirped train of optical pulses. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
石田明, 難波俊雄, 浅井祥仁, 五神真, 田島陽平, 小林拓豊, 魚住亮介, 周健治, CHAE E., 吉岡孝高, et al. Cooling of positronium for realizing Bose-Einstein condensation. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
小林拓豊, 田島陽平, 魚住亮介, CHAE E., 石田明, 難波俊雄, 浅井祥仁, 五神真, 大島永康, O’ROURKE B. E., et al. Experimental demonstration of Doppler spectroscopy for observation of laser-cooled positronium. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
2020/04 - 現在 The Graduate University for Advanced Studies School of High Energy Accelerator Science Associate professor
2020/04 - 現在 High Energy Accelerator Research Organization (KEK) Slow Positron Facility / Institute of Materials Structure Science Associate professor
2016/04 - 2020/03 National Institute for Quantum and Radiological Science and Technology Quantum Beam Science Research Directorate, Takasaki Advanced Radiation Research Institute, Department of Advanced Functional Materials Research Senior Researcher
2015/11 - 2016/03 The Graduate University for Advanced Studies School of High Energy Accelerator Science Associate Professor
2015/10 - 2016/03 High Energy Accelerator Research Organization Synchrotron Radiation Science Division 1, Institute of Materials Structure Science Associate Professor
2014/07 - 2015/11 The Graduate University for Advanced Studies School of High Energy Accelerator Science Assistant Professor
2010/04 - 2015/10 High Energy Accelerator Research Organization Synchrotron Radiation Science Division 1, Institute of Materials Structure Science Assistant Professor
2010/07 - 2011/03 理化学研究所 客員研究員
2007/04 - 2010/03 The University of Tokyo Komaba Organization for Educational Development, College of Arts and Sciences Assistant Professor
2005/04 - 2007/03 The University of Tokyo Komaba Organization for Educational Development, College of Arts and Sciences Research Associate
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Committee career (15)：
2021/02 - 現在 日本陽電子科学会 会報編集委員
2021/01 - 現在 日本陽電子科学会 理事
2023/11 - 2025/10 The 20th International Conference on Positron Annihilation Organizing Committee
2015/01 - 2020/01 日本陽電子科学会 刊行委員
2018 - 2019 4th Japan-China Joint Workshop on Positron Science (JWPS2019) International Organizing Committee
2016 - 2018 The 3rd China-Japan Joint Workshop on Positron Science (JWPS2017) Organizing Committee
2015/03 - 2017/03 日本物理学会 第71~72期代議員
2013 - 2017 14th International Workshop on Slow Positron Beam Techniques and Applications Local organizing committee
2013 - 2013 13th International Workshop on Slow Positron Beam Techniques and Applications Program Committee
2012 - 2013 XVII International Workshop on Low-Energy Positron and Positronium Physics & XVIII International Symposium on Electron-Molecule Collisions and Swarms (POSMOL 2013) Local organizing committee
2012 - 2012 First China-Japan Bi-Country Workshop on Positron Annihilation (AWPA 2012) Advisory Board
2005 - 2007 International Conference on Physics Education 2006 (ICPE 2006) Organizing Committee, Conference Steering Committee
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Awards (3)：
2019/10 - The Japan Society of Vacuum and Surface Science SSSJ Technique Award Observation of Low-Energy Positron Diffraction Patterns with a Linac-Based Slow-Positron Beam
2013/03 - The Foundation for High Energy Accelerator Science Nishikawa Prize, 2012 Intensification of the Slow-Positron Beam at KEK Slow Positron Facility and its Application
Association Membership(s) (5)：
THE SURFACE SCIENCE SOCIETY OF JAPAN
, 小中高理科カリキュラム研究会
, THE ATOMIC COLLISION SOCIETY OF JAPAN
, JAPANESE POSITRON SCIENCE SOCIETY
, THE PHYSICAL SOCIETY OF JAPAN
