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Yabuuchi, Atsushi

Institute for Integrated Radiation and Nuclear Science (KURNS) Assistant Professor

Yabuuchi, Atsushi
list
    Last Updated :2025/04/23

    Basic Information

    Affiliated programs (koza)

    • Graduate School of Engineering, 機械理工学専攻 粒子線材料工学分野

    Professional Memberships

    • THE PHYSICAL SOCIETY OF JAPAN
    • Society of Muon and Meson Science of Japan
    • Japanese Positron Science Society
    • THE JAPAN INSTITUTE OF METALS
    • THE JAPAN SOCIETY OF APPLIED PHYSICS
    • The Japan Society of Plasma Science and Nuclear Fusion Research

    Academic Degree

    • 修士（工学）(大阪大学)
    • 博士（工学）(大阪大学)

    Academic Resume (Graduate Schools)

    • 大阪大学, 大学院工学研究科電子情報エネルギー工学専攻博士前期課程, 修了
    • 大阪大学, 大学院工学研究科マテリアル生産科学専攻博士後期課程, 修了

    Academic Resume (Undergraduate School/Majors)

    • 大阪大学, 工学部応用理工学科, 卒業

    Research History

    • From Sep. 2015, To Present
      Kyoto University, 複合原子力科学研究所 安全原子力システム研究センター／粒子線基礎物性研究部門照射材料工学研究分野, 助教
    • From Apr. 2014, To Aug. 2015
      High Energy Accelerator Research Organization, 物質構造科学研究所 ミュオン科学研究系, 研究員
    • From Mar. 2013, To Mar. 2014
      産業技術総合研究所, 計測フロンティア研究部門 陽電子プローブGr, 産総研特別研究員
    • From Apr. 2012, To Feb. 2013
      Osaka Prefecture University, Research Organization for the 21st Century, 非常勤研究員
    • From Apr. 2009, To Mar. 2012
      日本原子力研究開発機構, 先端基礎研究センター スピン偏極陽電子ビーム研究Gr, 博士研究員

    ID,URL

    Website(s) (URL(s))

    researchmap URL

    list
      Last Updated :2025/04/23

      Research

      Research Topics, Overview of the research

      • Research Topics

        Development of a reactor-based intense slow positron beamline, and its application for characterization of irradiated materials.

      Research Interests

      • Lattice defect
      • Positron beam
      • Positron annihilation

      Research Areas

      • Nanotechnology/Materials, Structural and functional materials
      • Nanotechnology/Materials, Inorganic materials
      • Nanotechnology/Materials, Metallic materials

      Papers

      • Damage caused by He and D plasma exposure in Mo/Zr-added W-Y 2 O 3 composites
        X.L. Ren; G. Yao; L.M. Luo; Y. Xu; A. Yabuuchi; Q. Xu
        Radiation Effects and Defects in Solids, 28 Jun. 2024
      • Measurements of displacement cross sections of metals for 120-GeV proton beam irradiation
        Yosuke Iwamoto; Hiroki Matsuda; Shin ichiro Meigo; Katsuya Yonehara; Frederique Pellemoine; Zunping Liu; Kevin Lynch; Makoto Yoshida; Atsushi Yabuuchi; Toshimasa Yoshiie; Shintaro Hashimoto
        Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Dec. 2024
      • He irradiation resistance performance in CrNiCo, CrFeNiCo, and CrFeMnNiCo multi-principal element alloys
        Q. Xu; H.Q. Guan; S.S. Huang; Z.H. Zhong; M. Miyamoto; K. Yasunaga; A. Yabuuchi
        Journal of Nuclear Materials, Jan. 2025, Peer-reviewed
      • Effects of precipitates on defect formation and irradiation resistance in CoCrFeNi alloy
        A. Yabuuchi; Z.H. Zhong; K. Yasunaga; H. Watanabe; M. Tokitani; Q. Xu
        Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Oct. 2024
      • Mechanical Properties and Hydrogen Embrittlement Resistance of the High‐Entropy Alloy CrFeMnNiCo and Its Subsystems
        Qiu Xu; Huaqing Guan; Shaosong Huang; Zhihong Zhong; Atsushi Yabuuchi; Koichi Sato
        physica status solidi (b), 04 Jun. 2024
      • Investigation of vacancy-type defects in diamond-like carbon films using slow positron beam
        Kazuhiro Kanda; Tomohiro Mishima; Hiroki Akasaka; Fuminobu Hori; Atsushi Yabuuchi; Atsushi Kinomura
        Japanese Journal of Applied Physics, 01 Apr. 2024
      • Study of Vacancy Clusters and Antisite Defects in Titanium Beryllide Be12Ti Using Positron Annihilation Spectroscopy
        Qiu Xu; Qigui Yang; Evgeni Popov; Atsushi Yabuuchi; Tamaki Shibayama; Jaehwan Kim; Masaru Nakamichi; Xingzhong Cao
        physica status solidi (b), 16 Jan. 2024, Peer-reviewed
      • Lattice Defects Underneath Hydrogen-induced Intergranular Fracture Surface of Ni-Cr Alloy Evaluated by Low-energy Positron Beam
        Kota Tomatsu; Tomohiko Omura; Takahiro Aoki; Atsushi Yabuuchi; Atsushi Kinomura
        ISIJ International, 15 Nov. 2023, Peer-reviewed
      • Positron annihilation spectroscopy of thermally annealed hydrogenated amorphous carbon films
        Setsuo Nakao; Atsushi Kinomura; Keisuke Ikeda; Makoto Nakajima; Atsushi Yabuuchi; Kohtaku Suzuki
        Vacuum, Sep. 2023, Peer-reviewed
      • Inverse change in positron lifetimes of vacancies in tungsten by binding of interstitial impurity atoms to a vacancy: A first-principles study
        Atsushi Yabuuchi
        Nucl. Mater. Energy, 2023, Peer-reviewed, Lead author, Last author, Corresponding author
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      • Investigation of defect states in light-irradiated single-crystal ZnO by low-temperature positron annihilation lifetime spectroscopy
        Makoto Nakajima; Atsushi Kinomura; Atsushi Yabuuchi; Kazuo Kuriyama
        Jpn. J. Appl. Phys., 2022, Peer-reviewed
      • Effect of neutron–photon converter materials (Cd, Gd, and Sm) on the positron production in a reactor-based slow positron beamline
        Atsushi Yabuuchi
        Nucl. Instrum. Methods Phys. Res. Sect. B, 2022, Peer-reviewed, Lead author, Last author, Corresponding author
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      • Vacancy migration energies in CrMnFeCoNi, CrFeCoNi, and CrFeNi alloys and their effect on atomic diffusion
        Kazuki Sugita; Ryusei Ogawa; Masataka Mizuno; Hideki Araki; Atsushi Yabuuchi
        Scr. Mater., 2022, Peer-reviewed
      • Measurements of Displacement Cross Section of Tungsten under 389-MeV Proton Irradiation and Thermal Damage Recovery
        Yosuke Iwamoto; Makoto Yoshida; Hiroki Matsuda; Shin Ichiro Meigo; Daiki Satoh; Hiroshi Yashima; Atsushi Yabuuchi; Tatsushi Shima
        Mater. Sci. Forum, 2021, Peer-reviewed
      • Change in the Positron Annihilation Lifetime of Vacancy Clusters Containing Hydrogen Atoms in Electron-Irradiated F82H
        Koichi Sato; Yohei Kondo; Masakiyo Ohta; Qiu Xu; Atsushi Yabuuchi; Atsushi Kinomura; Masahira Onoue; Takashi Onitsuka; Masahiko Hatakeyama; Hirotomo Iwakiri; Daiji Kato; Yoshiyuki Watanabe; Hiroyasu Tanigawa
        Mater. Sci. Forum, 2021, Peer-reviewed
      • Reduction of background radiation effects for positron lifetime measurements in the slow positron beamline at the Kyoto University Research Reactor
        M. Nakajima; R. Taguchi; A. Yabuuchi; A. Kinomura
        Rev. Sci. Instrum., 2020, Peer-reviewed
      • Characterization of the effect of ion irradiation on industrially produced GdBa2Cu3O7−δ superconducting tapes using a slow positron beam
        Atsushi Yabuuchi; Toshinori Ozaki; Hitoshi Sakane; Hiroyuki Okazaki; Hiroshi Koshikawa; Shunya Yamamoto; Tetsuya Yamaki
        Appl. Phys. Express, 2020, Peer-reviewed, Lead author, Corresponding author
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      • Short positron lifetime at vacancies observed in electron-irradiated tungsten: Experiments and first-principles calculations
        A. Yabuuchi; M. Tanaka; A. Kinomura
        J. Nucl. Mater., 2020, Peer-reviewed, Lead author, Corresponding author
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      • Measurement of Defect-induced Electrical Resistivity Change of Tungsten Wire at Cryogenic Temperature Using High-energy Proton Irradiation
        Yosuke Iwamoto, Makoto Yoshida, Hiroki Matsuda, Shin-ichiro Meigo, Daiki Satoh, Hiroshi Yashima, Atsushi Yabuuchi, Atsushi Kinomura, and Tatsushi Shima
        JPS Conf. Proc., 2020, Peer-reviewed
      • Significant growth of vacancy-type defects by post-irradiation annealing in neon ion-irradiated tungsten probed by a slow positron beam
        Yabuuchi, A.; Tanaka, M.; Kinomura, A.
        Journal of Nuclear Materials, Apr. 2020, Peer-reviewed, Lead author, Corresponding author
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      • Contribution of cadmium to the total amount of positron creation in a reactor-based slow positron beamline
        Yabuuchi, A.; Yoshiie, T.; Kinomura, A.
        Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Jan. 2020, Peer-reviewed, Lead author, Corresponding author
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      • Slow-positron beamline temperature rise reduction at Kyoto University Research Reactor
        Yabuuchi, A.; Naka, R.; Sato, K.; Xu, Q.; Kinomura, A.
        Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Dec. 2019, Peer-reviewed
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      • High-temperature in-situ measurements of thermal vacancies in a TiAl intermetallic compound using a desktop positron beam
        A. Yabuuchi; S. Sakai; M. Mizuno; H. Araki; Y. Shirai
        JJAP Conf. Proc., 2019, Peer-reviewed, Invited, Lead author, Corresponding author
      • Magnetic Doppler broadening measurement on Gadolinium-doped GaN
        M. Maekawa; S. Sakai; S. Hagiwara; A. Miyashita; K. Wada; A. Kawasuso; A. Yabuuchi; S. Hasegawa
        AIP Conf. Proc., 2019, Peer-reviewed
      • Irradiation-induced vacancy defects and its recovery behavior in 5N-purity tungsten and 3N-purity tantalum
        M. Tanaka; A. Yabuuchi; A. Kinomura
        AIP Conf. Proc., 2019, Peer-reviewed, Corresponding author
      • Design of an Acceleration Gap for Brightness Enhancement in a Reactor-Based Slow Positron Beamline
        Y. Kuzuya; N. Oshima; A. Kinomura; A. Yabuuchi
        ACTA PHYSICA POLONICA A, 2017, Peer-reviewed
      • Detection of re-emission positrons on metal surfaces during slow positron measurements
        A. Kinomura; R. Suzuki; H. Ogawa; N. Oshima; B. E. O'Rourke; A. Yabuuchi
        14TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES & APPLICATIONS, 2017, Peer-reviewed
      • Evaluation of the optical performance of a brightness enhancement system developed for the KUR slow positron beamline
        Yoshihiro Kuzuya; Nagayasu Oshima; Atsushi Kinomura; Atsushi Yabuuchi; Koichi Sato; Qiu Xu
        14TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES & APPLICATIONS, 2017, Peer-reviewed
      • Evaluation of a positron-beam-pulsing system in KUR reactor-based positron beam facility
        A. Yabuuchi; A. Kinomura; Y. Kuzuya; K. Sato; Q. Xu; N. Oshima; B. E. O'Rourke
        14TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES & APPLICATIONS, 2017, Peer-reviewed
      • Tuning of the ultra slow muon beamline by utilizing ionized hydrogen
        T. Adachi; Y. Ikedo; A. Yabuuchi; P. Strasser; K. M. Kojima; S. Makimura; J. Nakamura; K. Shimomura; T. Nagatomo; W. Higemoto; T.U. Ito; E. Torikai
        PoS(NUFACT2014), 2015, Peer-reviewed
      • Tuning of Ultra-Slow Muon Transport System
        T. Adachi; Y. Ikedo; K. Nishiyama; A. Yabuuchi; T. Nagatomo; P. Strasser; T. U. Ito; W. Higemoto; K. M. Kojima; S. Makimura; J. Nakamura; K. Shimomura; N. Kawamura; Y. Kobayashi; R. Kadono; Y. Miyake; E. Torikai
        JPS Conf. Proc., 2015, Peer-reviewed
      • Nanohole formation in TEOS-HMDSO hybrid CVD films elucidated by positron beams
        K. Ito; N. Oshima; A. Yabuuchi; B. E. O'Rourke
        13TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES AND APPLICATIONS (SLOPOS13), 2014, Peer-reviewed
      • Depth profiling of the free-volume holes in cellulose triacetate hollow-fiber membranes for reverse osmosis by means of variable-energy positron annihilation lifetime spectroscopy
        Hideaki Hagihara; Kenji Ito; Nagayasu Oshima; Atsushi Yabuuchi; Hiroyuki Suda; Hiroshi Yanagishita
        DESALINATION, 2014, Peer-reviewed
      • Structural and defect characterization of Gd-doped GaN films by X-ray diffraction and positron annihilation
        A. Yabuuchi; N. Oshima; B. E. O'Rourke; R. Suzuki; K. Ito; S. Sano; K. Higashi; Y-K Zhou; S. Hasegawa
        13TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES AND APPLICATIONS (SLOPOS13), 2014, Peer-reviewed
      • Annealing of a Pre-Assembled Tungsten Positron Moderator by Direct Electron Bombardment
        A. Yabuuchi; N. Oshima; H. Kato; B. E. O’Rourke; A. Kinomura; T. Ohdaira; Y. Kobayashi; R. Suzuki
        JJAP Conf. Proc., 2014, Peer-reviewed
      • Suppression of vacancy aggregation by silicon-doping in low-temperature-grown Ga1-xCrxN
        A. Yabuuchi; M. Maekawa; A. Kawasuso; Y. K. Zhou; S. Hasegawa; H. Asahi
        Appl. Phys. Lett., 2013, Peer-reviewed, Lead author, Corresponding author
      • Location and size of nanoscale free-volume holes in crosslinked-polytetrafluoroethylene-based graft-type polymer electrolyte membranes determined by positron annihilation lifetime spectroscopy
        Shin-ichi Sawada; Atsushi Yabuuchi; Masaki Maekawa; Atsuo Kawasuso; Yasunari Maekawa
        RADIATION PHYSICS AND CHEMISTRY, 2013, Peer-reviewed
      • Development of spin-polarized slow positron beam using a 68Ge-68Ga positron source
        Masaki Maekawa; Yuki Fukaya; Atsushi Yabuuchi; Izumi Mochizuki; Atsuo Kawasuso
        Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 2013, Peer-reviewed
      • Irradiation effect of swift heavy ion for Zr50Cu 40Al10 bulk glassy alloy
        Naoto Onodera; Akito Ishii; Kouji Ishii; Akihiro Iwase; Yoshihiko Yokoyama; Yuichi Saitoh; Norito Ishikawa; Atsushi Yabuuchi; Fuminobu Hori
        Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 2013, Peer-reviewed
      • Effect of Hydrogen on Vacancy Formation in Sputtered Cu Films Studied by Positron Annihilation Spectroscopy
        Atsushi Yabuuchi; Teruo Kihara; Daichi Kubo; Masataka Mizuno; Hideki Araki; Takashi Onishi; Yasuharu Shirai
        JAPANESE JOURNAL OF APPLIED PHYSICS, 2013, Peer-reviewed
      • Influence of oversized elements (Hf, Zr, Ti and Nb) on the thermal stability of vacancies in type 316L stainless steels
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        J. Nucl. Mater., 2012, Peer-reviewed, Lead author, Corresponding author
      • Study on defects in H+ ion implanted B2 type Fe-Al alloy using slow positron beam
        S. Komagata; A. Kawasuso; A. Yabuuchi; M. Maekawa; C. Batchulun; K. Yasuda; R. Ishigami; K. Kume; A. Iwase; F. Hori
        POSITRON STUDIES OF DEFECTS 2011, 2012, Peer-reviewed
      • Doppler broadening of annihilation radiation measurements on3dand4fferromagnets using polarized positrons
        A. Kawasuso; M. Maekawa; Y. Fukaya; A. Yabuuchi; I. Mochizuki
        Phys. Rev. B, 2012, Peer-reviewed
      • Vacancy defects in a stress-corrosion-cracked Type 304 stainless steel investigated by positron annihilation spectroscopy
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        J. Nucl. Mater., 2011, Peer-reviewed, Lead author, Corresponding author
      • Reduction of S-parameter by the Introduction of Nitrogen in GaNAs: Positron Annihilation and Photoluminescence Spectroscopy Study
        Hiroki Nakamoto; Fumitaro Ishikawa; Masahiko Kondow; Yushi Ohshima; Atsushi Yabuuchi; Masataka Mizuno; Hideki Araki; Yasuharu Shirai
        JAPANESE JOURNAL OF APPLIED PHYSICS, Apr. 2011, Peer-reviewed
      • Spin-polarized positron annihilation measurements of polycrystalline Fe, Co, Ni, and Gd based on Doppler broadening of annihilation radiation
        Atsuo Kawasuso; Masaki Maekawa; Yuki Fukaya; Atsushi Yabuuchi; Izumi Mochizuki
        PHYSICAL REVIEW B, Mar. 2011, Peer-reviewed
      • Development of spin-polarized positron source using high energy proton beam
        M. Maekawa; Y. Fukaya; Y. Yabuuchi; A. Kawasuso
        12TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES (SLOPOS12), 2011, Peer-reviewed
      • A study of defects in electron- and ion-irradiated ZrCuAl bulk glassy alloy using positron annihilation techniques
        F. Hori; N. Onodera; Y. Fukumoto; A. Ishii; A. Iwase; A. Kawasuso; A. Yabuuchi; M. Maekawa; Y. Yokoyama
        12TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES (SLOPOS12), 2011, Peer-reviewed
      • Defect structure of MBE-grown GaCrN diluted magnetic semiconductor films
        A. Yabuuchi; M. Maekawa; A. Kawasuso; S. Hasegawa; Y. K. Zhou; H. Asahi
        12TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES (SLOPOS12), 2011, Peer-reviewed
      • Positron microbeam study on vacancy generation caused by stress corrosion crack propagation in austenitic stainless steels
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        12TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES (SLOPOS12), 2011, Peer-reviewed
      • Development of a spin-polarized positron source
        A. Kawasuso; Y. Fukaya; M. Maekawa; A. Yabuuchi
        ADVANCED SCIENCE RESEARCH SYMPOSIUM 2009: POSITRON, MUON AND OTHER EXOTIC PARTICLE BEAMS FOR MATERIALS AND ATOMIC/MOLECULAR SCIENCES, 2010, Peer-reviewed
      • Evaluation of stainless steel under tensile stress using positron microbeam
        M. Maekawa; Y. Yabuuchi; A. Kawasuso
        ADVANCED SCIENCE RESEARCH SYMPOSIUM 2009: POSITRON, MUON AND OTHER EXOTIC PARTICLE BEAMS FOR MATERIALS AND ATOMIC/MOLECULAR SCIENCES, 2010, Peer-reviewed
      • Free-volume structure of fluoropolymer-based radiation-grafted electrolyte membranes investigated by positron annihilation lifetime spectroscopy
        S. Sawada; A. Kawasuso; M. Maekawa; A. Yabuuchi; Y. Maekawa
        ADVANCED SCIENCE RESEARCH SYMPOSIUM 2009: POSITRON, MUON AND OTHER EXOTIC PARTICLE BEAMS FOR MATERIALS AND ATOMIC/MOLECULAR SCIENCES, 2010, Peer-reviewed
      • Free volume in Zr-based bulk glassy alloys studied by positron annihilation techniques
        A. Ishii; A. Iwase; Y. Yokoyama; T. J. Konno; Y. Kawasuso; A. Yabu-uchi; M. Maekawa; F. Hori
        ADVANCED SCIENCE RESEARCH SYMPOSIUM 2009: POSITRON, MUON AND OTHER EXOTIC PARTICLE BEAMS FOR MATERIALS AND ATOMIC/MOLECULAR SCIENCES, 2010, Peer-reviewed
      • 原子力機構における陽電子マイクロビームの生成・利用
        Atsushi Yabuuchi
        Ionization Radiation, 2010, Peer-reviewed
      • Frozen-in vacancies in PVD-Cu films with improved high-pressure reflowability studied using a slow positron beam
        A. Yabuuchi; D. Kubo; M. Mizuno; H. Araki; T. Onishi; Y. Shirai
        J. Phys.: Conf. Ser., 2009, Peer-reviewed, Lead author, Corresponding author
      • Vacancy trapping by solute atoms during quenching in Cu-based dilute alloys studied by positron annihilation spectroscopy
        A. Yabuuchi; Y. Yamamoto; J. Ohira; K. Sugita; M. Mizuno; H. Araki; Y. Shirai
        J. Phys.: Conf. Ser., 2009, Peer-reviewed, Lead author, Corresponding author
      • Evaluation of device configurations through cross-sectional planes along gates of 0.1 mu m metal-oxide-semiconductor field-effect transistors by scanning tunneling microscopy/scanning tunneling spectroscopy
        S. Hasegawa; W. Doi; A. Yabuuchi; H. Asahi
        Jpn. J. Appl. Phys., 2006, Peer-reviewed
      • Experimental plan for displacement damage cross sections using 120-GeV protons at Fermi National Accelerator Laboratory
        Yosuke IWAMOTO; Makoto YOSHIDA; Shin-ichiro MEIGO; Katsuya YONEHARA; Taku ISHIDA; Keita NAKANO; Shin-ichiro ABE; Hiroki IWAMOTO; T. SPINA; K. AMMIGAN; N. MOKHOV; Atsushi YABUUCHI; Toshimasa YOSHIIE
        JAEA-Conf, 2022

      Misc.

      • ステンレス鋼SCC亀裂先端近傍の原子空孔の陽電子顕微鏡による評価
        薮内敦; 前川雅樹; 河裾厚男; 平出哲也; 西村昭彦; 三輪幸夫
        日本原子力学会秋の大会予稿集(CD-ROM), 28 Aug. 2009
      • 原子炉ベース低速陽電子ビーム装置の開発
        木野村 淳; 薮内 敦
        陽電子科学, 2022, Peer-reviewed
      • Applications of positron annihilation spectroscopy to the studies of lattice defects in metals
        A. Yabuuchi; M. Fujinami
        Positron Sciences, 2021, Peer-reviewed, Invited, Lead author, Corresponding author
      • Positron annihilation and trapping to defects
        A. Yabuuchi; M. Fujinami
        Positron Sciences, 2020, Peer-reviewed, Invited, Lead author, Corresponding author
      • Muonium Production Using a Tungsten Fuzzy Structure
        A. Yabuuchi; N. Ohno; Y. Miyake; Y. Ikedo; K. Shimomura; K. Nishiyama; K. M. Kojima; N. Kawamura; P. Strasser; H. Fujimori; S. Makimura; J. Nakamura; N. Saito; T. Mibe; M. Otani; S. Kanda; S. Nishimura; R. Kitamura; Y. Nagashima; T. Suzuki; T. Nagatomo
        Journal of Plasma and Fusion Research, 2018, Invited
      • Studies of vacancy-type defects using positron beams - Atomic vacancies in metals
        A. Yabuuchi
        Proceedings of the 52 th KURRI Scientific Meeting, 2018, Invited
      • Improvement of Muonium Emission Efficiency of Tungsten Target by Surface Nano-processing
        A. Yabuuchi; N. Ohno; Y. Miyake; Y. Ikedo; K. Shimomura; K. Nishiyama; K. M. Kojima; N. Kawamura; P. Strasser; H. Fujimori; S. Makimura; J. Nakamura; N. Saito; T. Mibe; M. Otani; S. Kanda; S. Nishimura; R. Kitamura; Y. Nagashima; T. Suzuki; T. Nagatomo
        KEK Prog. Rep., 2015
      • Development of Spin-Polarized Positron Beam and Its Application to Spintronics Study
        A. Kawasuso; M. Maekawa; Y. Fukaya; A. Yabuuchi; I. Mochizuki
        JAEA-Review, 2013, Peer-reviewed
      • Thermal Stability of Vacancies in Zr-Doped Stainless Steels
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        JAEA-Review, 2013, Peer-reviewed
      • Spin-Polarize Positron Beam Based on 68Ge-68Ga Source Produced by Cyclotron
        A. Kawasuso; M. Maekawa; Y. Fukaya; A. Yabuuchi; I. Mochizuki
        JAEA-Review, 2012, Peer-reviewed
      • Improvement of a Positron Gun Suitable for Intense Microbeam Production
        M. Maekawa; A. Yabuuchi; A. Kawasuso
        JAEA-Review, 2012, Peer-reviewed
      • Irradiation-induced-defect Recovery and Magnetic Property of the Gd+ Ion Implanted GaN
        A. Yabuuchi; M. Maekawa; A. Kawasuso; S. Hasegawa; Y.-K. Zhou; H. Asahi
        JAEA-Review, 2012, Peer-reviewed
      • Recovery Behavior of Vacancies in Type 304 Stainless Steels Studied by Positron Annihilation Spectroscopy
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        JAEA-Review, 2012, Peer-reviewed
      • OS05-2-5 Development of positron annihilation microscope and its applications to nuclear stainless steels
        Kawasuso Atsuo; Yabuuchi Atsushi; Maekawa Masaki
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 19 Sep. 2011
      • Production of Highly Spin-Polarized Positron Source
        A. Kawasuso; M. Maekawa; Y. Fukaya; A. Yabuuchi
        JAEA-Review, 2011, Peer-reviewed
      • Evaluation of the ZrC Layer for Coated Fuel Particles Probed by a Positron Microbeam
        M. Maekawa; A. Yabuuchi; A. Kawasuso; J. Aihara
        JAEA-Review, 2011, Peer-reviewed
      • Positron Beam Study on Vacancy Defects in GaCrN Grown by Molecular Beam Epitaxy
        A. Kawasuso; A. Yabuuchi; M. Maekawa; S. Hasegawa; Y.-K. Zhou; H. Asahi
        JAEA-Review, 2011, Peer-reviewed
      • Fabrication of Diluted Magnetic Semiconductor Crystals by Ion Implantation Technique
        A. Yabuuchi; M. Maekawa; A. Kawasuso; S. Entani; Y. Matsumoto; S. Sakai; S. Yamamoto
        JAEA-Review, 2011, Peer-reviewed
      • Vacancy Generation around a SCC Crack Tip in Stainless Steels Probed by Positron Microbeam
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        JAEA-Review, 2011, Peer-reviewed

      Presentations

      • 陽電子消滅法を用いた金属材料中の原子空孔の非破壊評価
        薮内 敦
        大阪ニュークリアサイエンス協会 第77回放射線科学研究会, 04 Nov. 2022, Invited
      • Vacancy-type defects study in metals by using a positron beam
        A. Yabuuchi
        3rd Kyoto Workshop on Positron Science (KWPS2018), 05 Nov. 2018, Invited
      • The estimation of positron production and heat generation in KUR beam line by PHITS
        A. Yabuuchi; T. Yoshiie; Y. Kuzuya; Y. Iwamoto; T. Sano; A. Kinomura
        International Workshop on Positron Studies of Defects 2017 (PSD-17), 07 Sep. 2017, Invited
      • High-temperature in-situ measurements of thermal vacancies in a TiAl intermetallic compound using a desktop positron beam
        A. Yabuuchi; S. Sakai; M. Mizuno; H. Araki; Y. Shirai
        3rd China-Japan Joint Workshop on Positron Science (JWPS2017), 11 Jun. 2017, Invited
      • Positron microscopy study of stress corrosion cracking in stainless steels for nuclear applications
        A. Yabuuchi; M. Maekawa; A. Kawasuso
        2nd Japan-China Joint Workshop on Positron Science (JWPS2013), 23 Dec. 2013, Invited

      Awards

      • 10 Dec. 2021
        Japanese Positron Science Society, Young Scientist Award of the Japanese Positron Science Society

      External funds: Kakenhi

      • Gas element-vacancy complexes investigated by electron momentum distribution analysis using a combination of positron annihilation and first-principles calculations
        Grant-in-Aid for Scientific Research (C)
        Basic Section 14020:Nuclear fusion-related
        Kyoto University
        Atsushi Yabuuchi
        From 01 Apr. 2020, To 31 Mar. 2023, Project Closed
        陽電子寿命;消滅ガンマ線ドップラー広がり;電子運動量分布;第一原理計算;原子空孔;欠陥複合体;陽電子消滅;電子運動量
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K03902/
      • Development of displacement damage model in super high energy region
        Grant-in-Aid for Scientific Research (B)
        Basic Section 31010:Nuclear engineering-related
        Japan Atomic Energy Agency
        Yosuke Iwamoto
        From 01 Apr. 2019, To 31 Mar. 2023, Project Closed
        原子弾き出し損傷;PHITS;陽子;DPA;高エネルギー;弾き出し損傷;加速器;原子はじき出し;はじき出し断面積;陽子ビーム;照射損傷;原子はじき出し数;弾き出し断面積;高エネルギー陽子;極低温;欠陥生成効率;高エネルギー陽子照射
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H02652/
      • Study of development process of vacancy-type defects in rare-gas-plasma-induced metal-nanostructure formation process
        Grant-in-Aid for Young Scientists (B)
        Kyoto University
        ATSUSHI YABUUCHI
        From 01 Apr. 2017, To 31 Mar. 2020, Project Closed
        タングステン;原子空孔;空孔-不純物複合体;照射損傷;陽電子消滅;第一原理計算;陽電子消滅分光法;陽電子寿命;結合エネルギー;陽電子消滅ガンマ線ドップラー広がり;格子欠陥;照射誘起欠陥;核融合;プラズマ・壁相互作用;金属物性;ナノ構造金属;希ガスプラズマ
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K14896/
      • Controlling spatial distribution of rare-earth elements in III-nitride semiconductors and their magnetic properties
        Grant-in-Aid for Scientific Research (B)
        Osaka University
        HASEGAWA Shigehiko
        From 01 Apr. 2017, To 31 Mar. 2020, Project Closed
        エピタキシャル成長;窒化物半導体;空間分布制御;結晶構造;磁気特性;陽電子消滅法;原子空孔;第一原理計算;低速陽電子ビーム
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17H02775/
      • Ultra Slow Muon Microscope
        Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
        Science and Engineering
        High Energy Accelerator Research Organization
        Yasuhiro MIYAKE
        From 01 Apr. 2011, To 31 Mar. 2016, Project Closed
        ミュオン;超低速ミュオン;パルスレーザー;ライマンαレーザー;共鳴イオン化法;表面界面;水素;マイクロビーム;超低速ミュオン顕微鏡
        https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-23108002/
      • 応力腐食割れ亀裂先端における空孔生成機構の解明と空孔－添加元素間相互作用の評価
        Grant-in-Aid for Young Scientists (B)
        Japan Atomic Energy Agency
        薮内 敦
        From 01 Apr. 2010, To 31 Mar. 2013, Declined
        原子炉材料;応力腐食割れ;格子欠陥;原始空孔;陽電子消滅;原子空孔
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22760682/
      • Hydrogen-induced vacancies in tungsten studied by in-situ analysis of vacancies using positron annihilation measurements under hydrogen charging
        Grant-in-Aid for Scientific Research (C)
        Basic Section 14020:Nuclear fusion-related
        Kyoto University
        薮内 敦
        From 01 Apr. 2023, To 31 Mar. 2026, Granted
        陽電子消滅;タングステン;原子空孔;水素誘起空孔;電解水素チャージ
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K03359/
      • Evaluation of irradiation-induced defect behavoirs by pump-probe positron annihilation spectroscopy
        Grant-in-Aid for Scientific Research (B)
        Basic Section 31010:Nuclear engineering-related
        Kyoto University
        木野村 淳
        From 01 Apr. 2022, To 31 Mar. 2025, Granted
        照射効果;陽電子消滅分光;過渡挙動;格子欠陥;動的挙動;ポンププローブ;点欠陥;過渡変化
        https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K23273/
      list
        Last Updated :2025/04/23

        Education

        Teaching subject(s)

        • From 01 Apr. 2024, To 31 Mar. 2025
          High Energy Radiation Effects in Solid
          B631, Spring, Graduate School of Engineering, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          High Energy Radiation Effects in Solid
          B631, Spring, Graduate School of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          High Energy Radiation Effects in Solid
          B631, Spring, Graduate School of Engineering, 2
        • From Apr. 2016, To Mar. 2017
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        • From Apr. 2017, To Mar. 2018
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          High Energy Radiation Effects in Solid
          Spring, 工学研究科
        list
          Last Updated :2025/04/23

          Administration

          Faculty management (title, position)

          • From 01 Apr. 2023
            新試験研究炉開発・利用センター センター員
          • From 01 Apr. 2021, To 31 Mar. 2024
            IT支援チーム員
          list
            Last Updated :2025/04/23

            Academic, Social Contribution

            Committee Memberships

            • From Jan. 2021, To Present
              刊行副委員長, 日本陽電子科学会
            • From Jan. 2017, To Dec. 2020
              刊行委員, 日本陽電子科学会
            • From Oct. 2016, To Mar. 2018
              領域10運営委員, 日本物理学会

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