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High efficiency, fine and large area neutron scintillator using transparent composite scintillator

Research Project

Project/Area Number 18H03468
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 80040:Quantum beam science-related
Research InstitutionNagoya University

Principal Investigator

Watanabe Kenichi  名古屋大学, 工学研究科, 准教授 (30324461)

Co-Investigator(Kenkyū-buntansha) 山崎 淳  名古屋大学, 工学研究科, 助教 (10436537)
柳田 健之  奈良先端科学技術大学院大学, 先端科学技術研究科, 教授 (20517669)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2020: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2019: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Fiscal Year 2018: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Keywords中性子 / シンチレータ / 混合粉末 / 透明コンポジット / 中性子シンチレータ / 透明シンチレータ
Outline of Final Research Achievements

We developed the transparent composite scintillators for neutron detection. As the promising candidates, the transparent composites containing mixed powder of LiF neutron converter and Eu:CaF2 scintillator, and the transparent composite containing Li glass scintillator powder were developed. From the viewpoint of reproducibility and production yield, the Li glass powder composite was concluded to be the most promising candidate. As a future work, we will produce a large area and highly efficient neutron scintillator sheet using the transparent composite containing Li glass scintillator powder.

Academic Significance and Societal Importance of the Research Achievements

これまで、高精細、高効率かつ大面積を有する中性子シンチレータを実現することは困難であった。これを、透明コンポジット、特にLiガラス粉末を透明樹脂で固めたものを用いることで実現できる見通しが得られた。混合樹脂を固めるという製造工程であるため、大判化のみならず、薄膜化、小型化と、比較的自由に形状を制御可能である。中性子イメージングや医療分野における中性子計測等への応用が期待できる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (15 results)

All 2021 2020 2019 2018

All Journal Article (5 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (10 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] First experimental verification of the neutron field of Nagoya University Accelerator-driven neutron source for boron neutron capture therapy2021

    • Author(s)
      Watanabe Kenichi、Yoshihashi Sachiko、Ishikawa Akihisa、Honda Shogo、Yamazaki Atsushi、Tsurita Yukio、Uritani Akira、Tsuchida Kazuki、Kiyanagi Yoshiaki
    • Journal Title

      Applied Radiation and Isotopes

      Volume: 168 Pages: 109553-109553

    • DOI

      10.1016/j.apradiso.2020.109553

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Development of Optical-fiber-based Neutron Detector Using Li-glass Scintillator for an Intense Neutron Field2020

    • Author(s)
      Ishikawa Akihisa、Yamazaki Atsushi、Watanabe Kenichi、Yoshihashi Sachiko、Uritani Akira、Sakurai Yoshinori、Tanaka Hiroki、Ogawara Ryo、Suda Mitsuru、Hamano Tsuyoshi
    • Journal Title

      Sensors and Materials

      Volume: 32 Issue: 4 Pages: 1489

    • DOI

      10.18494/SAM.2020.2748

    • ISSN
      0914-4935, 2435-0869
    • Year and Date
      2020-04-20
    • Related Report
      2019 Annual Research Report
  • [Journal Article] A comparison between simulation and experimental results for depth profile of 6Li reaction rate in a water phantom of BNCT using a small 6Li-based scintillator neutron detector with an optical fiber2020

    • Author(s)
      Ishikawa Akihisa、Yamazaki Atsushi、Watanabe Kenichi、Yoshihashi Sachiko、Uritani Akira、Tsurita Yukio、Tsuchida Kazuki、Kiyanagi Yoshiaki
    • Journal Title

      Radiation Measurements

      Volume: 133 Pages: 106270-106270

    • DOI

      10.1016/j.radmeas.2020.106270

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Cross-sectional imaging of quenched region in a steel rod using energy-resolved neutron tomography2019

    • Author(s)
      Watanabe Kenichi、Minniti Triestino、Sato Hirotaka、Tremsin Anton S.、Kockelmann Winfried、Dalgliesh Robert、Kiyanagi Yoshiaki
    • Journal Title

      Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

      Volume: 944 Pages: 162532-162532

    • DOI

      10.1016/j.nima.2019.162532

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Basic study on a LiF-Eu:CaF2 mixed powder neutron scintillator2018

    • Author(s)
      Watanabe Kenichi、Mitsuboshi Natsumi、Ishikawa Akihisa、Yamazaki Atsushi、Yoshihashi Sachiko、Uritani Akira、Kawaguchi Noriaki、Yanagida Takayuki、Fukuda Kentaro
    • Journal Title

      Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

      Volume: - Pages: 161244-161244

    • DOI

      10.1016/j.nima.2018.09.079

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] Liガラスシンチレータを用いた光ファイバ型中性子検出器の熱中性子感度および出力線形性評価2021

    • Author(s)
      石川諒尚,渡辺賢一,山崎淳,吉橋幸子,瓜谷章
    • Organizer
      第68回応用物理学会春季学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Liガラスシンチレータを用いた光ファイバ型中性子検出器のガンマ線感度評価2021

    • Author(s)
      石川諒尚,渡辺賢一,山崎淳,吉橋幸子,瓜谷章
    • Organizer
      日本原子力学会 2021年春の年会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Experimental Evaluation of Thermal Neutron Distribution in Water Phantom in BNCT Irradiation Field Using an Optical Fiber-Based Neutron Detector2019

    • Author(s)
      Akihisa ISHIKAWA, Atsushi YAMAZAKI, Kenichi WATANABE, Sachiko YOSHIHASHI, Akira URITANI, Yukio TSURITA, Kazuki TSUCHIDA, Yoshiaki KIYANAGI
    • Organizer
      The 19th International Conference on Solid State Dosimetry
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Response Evaluation of LiF-CsI Mixed Powder Neutron Scintillators2019

    • Author(s)
      Kenichi Watanabe, Akihisa Ishikawa, Yuho Hirata, Atsushi Yamazaki, Sachiko Yoshihashi, Akira Uritani
    • Organizer
      The 19th International Conference on Solid State Dosimetry
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 新規中性子検出器開発に向けた混合粉末シンチレータに関する基礎研究2019

    • Author(s)
      石川諒尚,山﨑淳,渡辺賢一,吉橋幸子,瓜谷章
    • Organizer
      第80回応用物理学会秋季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Basic Study on Scintillation Properties of Mixed Powder Neutron Scintillators2019

    • Author(s)
      Akihisa ISHIKAWA, Atsushi YAMAZAKI, Kenichi WATANABE, Sachiko YOSHIHASHI, Akira URITANI
    • Organizer
      IEEE NSS-MIC 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 光ファイバ型中性子検出器の計数率特性2019

    • Author(s)
      石川諒尚,山﨑淳,渡辺賢一,吉橋幸子,瓜谷章
    • Organizer
      第15回次世代先端光科学研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Study on non-destructive inspection of HIP diffusion bonding interface based on energy-resolved neutron imaging2019

    • Author(s)
      Kenichi Watanabe, Yoshinori Shiota, Shinsuke Nishiura, Hiroshi Arata, Yoshiaki Kiyanagi
    • Organizer
      AOCNS2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Basic study on a LiF-Eu:CaF2 mixed power neutron scintillator2018

    • Author(s)
      K. Watanabe, N. Mitsuboshi, A. Ishikawa, A. Yamazaki, S. Yoshihashi, A. Uritani, N. Kawaguchi, T. Yanagida
    • Organizer
      2018 Symposium on Radiation Measurements and Applications
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Transparent mixed powder neutron scintillator2018

    • Author(s)
      K. Watanabe, M. Kataoka, N. Mitsuboshi, A. Yamazaki, S. Yoshihashi, A. Uritani, N. Kawaguchi, T. Yanagida, Y. Ikeda, K. Fukuda
    • Organizer
      IEEE Nuclear Science Symposium 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2022-01-27  

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