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Okubo Nariaki  大久保 成彰

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OKUBO Nariaki  大久保 成彰

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Researcher Number 60391330
Other IDs
Affiliation (Current) 2020: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 原子力基礎工学研究センター, 主任研究員
Affiliation (based on the past Project Information) *help 2018 – 2020: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 原子力基礎工学研究センター, 研究副主幹
2017: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力基礎工学研究センター, 研究副主幹
2016: 日本原子力研究開発機構, 原子力エネルギー基盤連携センター, 副主任研究員
2014: 独)日本原子力研究開発機構, 研究副主幹
2010: 独)日本原子力研究開発機構, 研究員
Review Section/Research Field
Except Principal Investigator
Nuclear engineering / Physical properties of metals / Nanomaterials engineering / Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
Keywords
Except Principal Investigator
格子欠陥 / 照射損傷 / 微細組織 / モデル化 / 照射効果 / 中性子照射 / 原子炉材料 / 原子力エネルギー / イオン照射 / 電子顕微鏡 … More / 点欠陥クラスター / 金属物理 / 点欠陥クラスタ / マルチスケールモデル / 構造・機能材料 / 加速器 / 硬化 / 金属物性 / 核融合炉材料 / 照射硬化 / 照射脆化 / 弾き出し損傷 / ヘリウム脆性 / 核変換生成ヘリウム原子 / 高速重イオン / 金属ナノ粒子 / 照射誘起楕円変形 / Ion Beam Shaping / プラズモニクス / イオンビーム / ナノロッド / 楕円ナノ粒子 / 楕円形ナノ粒子 / Ion Shaping / Ion shaping / イオンハンマリング / 直線二色性 / 格子間原子集合体 / 一次元運動 / カスケード損傷 / 電子顕微鏡その場観察 / 原子力材料 / 純鉄 / アスタチン / アルファ / がん治療 / 核医学治療 / ビスマス / 液体金属 / RI製造 Less
  • Research Projects

    (5 results)
  • Research Products

    (24 results)
  • Co-Researchers

    (15 People)
  •  がん治療用アスタチン211の連続製造を可能にする液体金属Bi標的システムの完成Ongoing

    • Principal Investigator
      石岡 典子
    • Project Period (FY)
      2018 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
    • Research Institution
      National Institutes for Quantum and Radiological Science and Technology
  •  Mechanism and modeling of one-dimensional motion of interstitial clusters under ion irradiation

    • Principal Investigator
      Abe Yosuke
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Nuclear engineering
    • Research Institution
      Japan Atomic Energy Agency
  •  Shape elongation of embedded metal nanoparticles induced by swift heavy ion irradiation

    • Principal Investigator
      AMEKURA Hiroshi
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Nanomaterials engineering
    • Research Institution
      National Institute for Materials Science
  •  Behavior of nuclear reactor materials at high damage levels investigated by ion-irradiation and point defect reaction models

    • Principal Investigator
      JITSUKAWA Shiro
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Nuclear engineering
    • Research Institution
      Fukushima National College of Technology
      Japan Atomic Energy Agency
  •  Stability evaluation of point defect clusters to estimate microstructural change during irradiation

    • Principal Investigator
      JITSUKAWA Shiro
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Physical properties of metals
    • Research Institution
      Japan Atomic Energy Agency

All 2020 2019 2017 2016 2015 2014 2013 2011 2010 2009 Other

All Journal Article Presentation

  • [Journal Article] Shape elongation of embedded Zn nanoparticles induced by swift heavy ion irradiation: A SAXS study2015

    • Author(s)
      H. Amekura, K. Kono, N. Okubo, and N. Ishikawa
    • Journal Title

      physica status solidi (b)

      Volume: 252 Pages: 165-169

    • DOI

      10.1002/pssb.201400138

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Journal Article] Optical birefringence of Zn nanoparticles embedded in silica induced by swift heavy-ion irradiation2014

    • Author(s)
      H. Amekura, N. Okubo, and N. Ishikawa
    • Journal Title

      Optics Express

      Volume: 22 Pages: 29888-29898

    • DOI

      10.1364/oe.22.029888

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Journal Article] Shape elongation of Zn nanoparticles in silica irradiated with swift heavy ions of different species and energies: scaling law and some insights on the elongation mechanism2014

    • Author(s)
      H. Amekura, S. Mohapatra, U.B. Singh, S.A. Khan, P.K. Kulriya, N. Ishikawa, N. Okubo, and D.K. Avasthi
    • Journal Title

      Nanotechnology

      Volume: 25

    • DOI

      10.1088/0957-4484/25/43/435301

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Journal Article] Development of Models for Irradiation-induced Changes to Microstructure and Stress–Strain Relations of Austenitic Steels2013

    • Author(s)
      S. Jitsukawa, Y. Abe, K. Suzuki and N. Okubo
    • Journal Title

      Effects of Radiation on Nuclear Materials

      Volume: ASTM STP 1547 Pages: 288-312

    • DOI

      10.1520/stp104147

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23561022
  • [Journal Article] Cluster Dynamics Simulation on Microstructure Evolution of Austenitic Stainless Steel and alpha- Iron Under Cascade Damage Condition2013

    • Author(s)
      Y. Abe, S. Jitsukawa, N. Okubo, H. Matsui and T. Tsukada
    • Journal Title

      Effects of Radiation on Nuclear Materials

      Volume: ASTM STP 1547 Pages: 313-337

    • DOI

      10.1520/stp103991

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23561022
  • [Journal Article] Heat treatment effect on fracture toughness of F82H irradiated in HFIR2011

    • Author(s)
      N. Okubo, M.A. Sokolov, H. Tanigawa, T. Hirose, S. Jitsukawa他
    • Journal Title

      Journal of Nuclear Materials

      Volume: 417 Pages: 112-114

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23561022
  • [Journal Article] Intensely irradiated steel components : Plastic and fracture properties, and a new concept of structural design criteria for assuring the structural integrity2010

    • Author(s)
      K.Suzuki, S.Jitsukawa, N.Okubo, F.Takada
    • Journal Title

      Nuclear Engineering and Design

      Volume: 240 Pages: 1290-1306

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560622
  • [Journal Article] Intensely irradiated steel components : Plastic and fracture properties, and a new concept of structural design criteria for assuring the structural integrity2010

    • Author(s)
      K.Suzuki, S.Jitsukawa, N.Okubo, F.Takada
    • Journal Title

      Nuclear Engineering and Design 240

      Pages: 1290-1290

    • Data Source
      KAKENHI-PROJECT-20560622
  • [Journal Article] Irradiation effects on reduced activation ferritic/martensitic steels-tensile, impact, fatigue properties and moldeling2009

    • Author(s)
      S.jitsukawa, K.Suzuki, N.Okubo, M.Ando, K.Shiba
    • Journal Title

      Nuclear Fusion 49

      Pages: 115006-115006

    • Data Source
      KAKENHI-PROJECT-20560622
  • [Presentation] 格子間原子集合体の一次元運動に対する照射場影響2020

    • Author(s)
      阿部、大久保、山下、佐藤
    • Organizer
      材料照射研究会「Irradiation 3.0 に向けて」
    • Data Source
      KAKENHI-PROJECT-17K07021
  • [Presentation] イオン照射下での格子間原子集合体の一次元運動2020

    • Author(s)
      阿部、大久保、佐藤
    • Organizer
      金属学会春期講演大会
    • Data Source
      KAKENHI-PROJECT-17K07021
  • [Presentation] Effect of one-dimensional migration of self-interstitial atom clusters on their number density in alpha-iron under electron irradiation2019

    • Author(s)
      Y. Abe, Y. Satoh, N. Okubo, A. Konno
    • Organizer
      19th International Conference on Fusion Reactor Materials (ICFRM-19)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K07021
  • [Presentation] Short ion-track formation and shape-elongation of nanoparticles induced by slow MeV-C60 cluster ion irradiation2017

    • Author(s)
      H. Amekura, Y. Saitoh, A. Chiba, Y. Hirano, K. Narumi, D. Tsuya, N. Okubo, N. Ishikawa
    • Organizer
      19th Int. Conf. on Radiation Effects in Insulators (REI-19)
    • Place of Presentation
      Versaille, France
    • Year and Date
      2017-07-02
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Refractive index enhancement in yttrium aluminum garnet (YAG) induced by swift heavy ion irradiation2017

    • Author(s)
      H. Amekura, R. Li, F. Chen, N. Okubo, N. Ishikawa
    • Organizer
      15th Int. Conf. on Advanced Materials (IUMRS-ICAM2017)
    • Place of Presentation
      Kyoto Univ., Kyoto
    • Year and Date
      2017-08-27
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Shape elongation of embedded metal nanoparticles induced by C60 cluster ion irradiation2016

    • Author(s)
      H. Amekura, K. Narumi, A. Chiba, A. Usui, Y. Saitoh, D. Tsuya, N. Okubo, N. Ishikawa
    • Organizer
      20th International Conf. on Ion Beam Modification of Materials (IBMM)
    • Place of Presentation
      Wellington, New Zealand
    • Year and Date
      2016-10-30
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Shape elongation of embedded metal nanoparticles induced by C60 cluster ion irradiation2016

    • Author(s)
      H. Amekura, K. Narumi, A. Chiba, A. Usui, Y. Saitoh, D. Tsuya, N. Okubo, N. Ishikawa
    • Organizer
      第26回日本MRS年次大会(国際シンポジウム)
    • Place of Presentation
      横浜
    • Year and Date
      2016-12-19
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Shape Elongation of Embedded Metal Nanoparticles induced by Swift Heavy Ion Irradiation2015

    • Author(s)
      H. Amekura, A. Chettah, P. Mota Santiago, P. Kluth, D.K. Avasthi, N. Okubo, N. Ishikawa
    • Organizer
      25th Annual Meetings of MRS-J (2015), International Symposia
    • Place of Presentation
      Yokohama, Japan
    • Year and Date
      2015-12-08
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Is the shape elongation mechanism of embedded nanoparticles via underdense track cores acceptable?2015

    • Author(s)
      H. Amekura, P. Mota Santiago, P. Kluth, A. Chettah, D.K. Avasthi, N. Okubo, N. Ishikawa
    • Organizer
      9th International symposium on Swift Heavy Ions in Matter (SHIM 2015)
    • Place of Presentation
      Darmstadt, Germany
    • Year and Date
      2015-05-18
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Preliminary models on irradiation induced changes of microstructure and stress-strain relations to estimate mechanical response of austenitic and martensitic steel components2011

    • Author(s)
      S.Jitsukawa, Y.Abe, K.Suzuki, N.Okubo
    • Organizer
      ASTM E-10 Symposium
    • Data Source
      KAKENHI-PROJECT-20560622
  • [Presentation] Microstructural evolution of austenitic stainless steel under cascade damage condition predicted by cluster dynamics simulation : comparison with neutron irradiated α-iron2011

    • Author(s)
      Y.Abe, S.Jitsukawa, N.Okubo, H.Matsui, T.Tsukada
    • Organizer
      ASTM E-10 Symposium
    • Data Source
      KAKENHI-PROJECT-20560622
  • [Presentation] Shape elongation of embedded Zn nanoparticles irradiated with swift heavy ions of different species and energies

    • Author(s)
      H. Amekura, A. Chettah, U.B. Singh, S. Mohapatra, D.K. Avasthi, N. Okubo, and N. Ishikawa
    • Organizer
      19th International Conference on Ion Beam Modification of Materials (IBMM)
    • Place of Presentation
      Leuven, Belgium
    • Year and Date
      2014-09-14 – 2014-09-19
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Shape Elongation of Embedded Zn Nanoparticles in SiO2 by Swift Heavy Ion Irradiation

    • Author(s)
      H. Amekura, D. Tsuya, N. Okubo, and N. Ishikawa
    • Organizer
      第15回「イオンビームによる表面・界面解析」特別研究会
    • Place of Presentation
      筑波大学
    • Year and Date
      2014-12-05 – 2014-12-06
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Stopping Power Dependence on Shape Elongation of Zn Nanoparticles under Swift Heavy Ion Irradiation; Elongation via Low-density Track Cores

    • Author(s)
      H. Amekura, N. Ishikawa, N. Okubo, A. Chettah, S. Mohapatra, D.K. Avasthi
    • Organizer
      Euro MRS 2014 Spring Meeting, Symposium E
    • Place of Presentation
      Lille, France
    • Year and Date
      2014-05-26 – 2014-05-30
    • Data Source
      KAKENHI-PROJECT-26390032
  • [Presentation] Shape Elongation of Zn Nanoparticles under Swift Heavy Ion Irradiation: Criticism on Elongation via Underdense Track Cores

    • Author(s)
      H. Amekura, N. Ishikawa, N. Okubo, and D.K. Avasthi
    • Organizer
      IUMRS-ICA 2014
    • Place of Presentation
      福岡大学
    • Year and Date
      2014-08-24 – 2014-08-30
    • Data Source
      KAKENHI-PROJECT-26390032
  • 1.  ABE Yosuke (50400403)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 7 results
  • 2.  JITSUKAWA Shiro (80354835)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 8 results
  • 3.  AMEKURA Hiroshi (00354358)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 13 results
  • 4.  ISHIKAWA Norito (90354828)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 13 results
  • 5.  澤井 友次 (80354827)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  河野 健一郎 (50354353)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  佐藤 裕樹 (20211948)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 8.  石岡 典子 (30354963)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  古川 智弘 (60421765)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  渡辺 茂樹 (10450305)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  高井 俊秀 (30742473)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  近藤 浩夫 (40403159)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  AVASTHI Devesh.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 14.  KHAN Saif
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 15.  GOMEZ Daniel
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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