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Development of the muSR-detected electron spin resonance method for elucidating the electronic state of muonium defects

Research Project

Project/Area Number 20K12484
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 80040:Quantum beam science-related
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

Ito Takashi  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 先端基礎研究センター, 研究副主幹 (10455280)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsミュオニウム欠陥 / ミュオンスピン回転緩和法 / 電子スピン共鳴法 / 水素欠陥 / 水素関連欠陥 / ミュエスアール / 電子スピン共鳴
Outline of Research at the Start

物質中にμ+粒子を打ち込むことで生成されるミュオニウム(Mu)欠陥は、孤立した水素欠陥の電子状態を高い精度で模擬する。このMu欠陥の電子状態はミュエスアール法により解析可能である。しかし、μ+と電子の磁気的結合が弱い常磁性Mu欠陥に関しては、この標準的手法だけでは電子軌道状態について十分な情報が得られないことがある。本研究は、この軌道状態を反映する電子のg値を直接求める手段として「電子スピン共鳴ミュエスアール法」を提案し、浅いMu欠陥やMu+束縛ポーラロンの研究への応用を通して同手法の確立を図るものである。

Outline of Final Research Achievements

In order to open up muonium (Mu) defect research using the electron spin resonance method, we have developed an RF probe required for the experiment and established the method through a demonstration experiment at the Materials and Life Science Experimental Facility at J-PARC. Using this probe, we succeeded in measuring the g-values of paramagnetic Mu defects in rutile TiO2, and obtained a result suggesting that there may be small differences between the g-values of Mu defects and those of paramagnetic H defects. Further improvement of the measurement accuracy of the g-values by means of instrumentation improvements is expected to advance the study of the isotope effects on Mu and H defects.

Academic Significance and Societal Importance of the Research Achievements

常磁性Mu欠陥のg値を測定する手法を確立したことにより、その電子状態をより多角的に解析できるようになった。これは水素とMuのアナロジーに基づいた水素欠陥研究と、水素・Mu欠陥間の差異に関する同位体科学のさらなる発展につながる成果である。また、本研究を通してJ-PARCミュオン実験施設に初めて導入された4He温度におけるRFスピン共鳴技術は、Mu欠陥研究に限らず低温物性研究に広く応用できることから、磁性研究などの他分野への波及効果も期待される。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (20 results)

All 2023 2022 2021 2020

All Journal Article (14 results) (of which Int'l Joint Research: 8 results,  Peer Reviewed: 12 results,  Open Access: 9 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 4 results) Book (1 results)

  • [Journal Article] SrTiO3 中の格子間水素に束縛されたTi3+スモールポーラロンの安定性2023

    • Author(s)
      伊藤 孝
    • Journal Title

      JAEA-Review

      Volume: 2022-035 Pages: 112-114

    • Related Report
      2022 Annual Research Report
    • Open Access
  • [Journal Article] Local electronic structure of interstitial hydrogen in MgH2 inferred from muon study2023

    • Author(s)
      Kadono Ryosuke、Hiraishi Masatoshi、Okabe Hirotaka、Koda Akihiro、Ito Takashi U.
    • Journal Title

      Journal of Physics: Condensed Matter

      Volume: 35 Issue: 28 Pages: 285503-285503

    • DOI

      10.1088/1361-648x/acccc7

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydrogen-Ti<sup>3+</sup> Complex as a Possible Origin of Localized Electron Behavior in Hydrogen-Irradiated SrTiO<sub>3</sub>2022

    • Author(s)
      Ito Takashi U.
    • Journal Title

      e-Journal of Surface Science and Nanotechnology

      Volume: 20 Issue: 3 Pages: 128-134

    • DOI

      10.1380/ejssnt.2022-021

    • ISSN
      1348-0391
    • Year and Date
      2022-05-28
    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 水素照射により金属化されたSrTiO3において観測される局在電子の起源について2022

    • Author(s)
      伊藤 孝
    • Journal Title

      日本中間子科学会誌「めそん」

      Volume: 56 Pages: 21-26

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Direct measurement of the evolution of magnetism and superconductivity toward the quantum critical point2022

    • Author(s)
      Higemoto Wataru、Yokoyama Makoto、Ito Takashi U.、Suzuki Taiga、Raymond Stephane、Yanase Youichi
    • Journal Title

      Proceedings of the National Academy of Sciences

      Volume: 119 Issue: 49

    • DOI

      10.1073/pnas.2209549119

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Two-step Mott transition in Ni(S,Se)2: μSR studies and charge-spin percolation model2022

    • Author(s)
      Q. Sheng, T. Kaneko, K. Yamakawa, Z. Guguchia, Z. Gong, G. Zhao, G. Dai, C. Jin, S. Guo, L. Fu, Y. Gu, F. Ning, Y. Cai, K. M. Kojima, J. Beare, G. M. Luke, S. Miyasaka, M. Matsuura, S.-i. Shamoto, T. U. Ito, W. Higemoto, A. Gauzzi, Y. Klein, Y. J. Uemura
    • Journal Title

      Physical Review Research

      Volume: 4 Issue: 3

    • DOI

      10.1103/physrevresearch.4.033172

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Quantum critical spin-liquid-like behavior in S = 1/2 quasikagome lattice compound CeRh1-xPdxSn investigated using muon spin relaxation and neutron scattering2022

    • Author(s)
      R. Tripathi, D. T. Adroja, C. Ritter, S. Sharma, C. Yang, A. D. Hiller, M. M. Koza, F. Demmel, A. Sundaresan, S. Langridge, W. Higemoto, T. U. Ito, A. M. Strydom, G. B. G. Stenning, A. Battacharyya, D. Keen, H. C. Walker, R. S. Perry, R. Pratt, Q. Si, T. Takabatake
    • Journal Title

      Phys. Rev. B

      Volume: 106 Issue: 6

    • DOI

      10.1103/physrevb.106.064436

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Hydrogen-Ti3+ Complex as a Possible Origin of Localized Electron Behavior in Hydrogen-Irradiated SrTiO32022

    • Author(s)
      Takashi U. Ito
    • Journal Title

      e-Journal of Surface Science and Nanotechnology

      Volume: -

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Magnetic Bragg peak enhancement under ultrasound injection2022

    • Author(s)
      Shamoto Shin-ichi、Akatsu Mitsuhiro、Matsuura Masato、Ohira-Kawamura Seiko、Harii Kazuya、Ono Masao、Chang Lieh-Jeng、Ito Takashi U.、Nemoto Yuichi、Ieda Jun'ichi
    • Journal Title

      Physical Review Research

      Volume: 4 Issue: 1 Pages: 013245-013245

    • DOI

      10.1103/physrevresearch.4.013245

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Critical slowing-down and field-dependent paramagnetic fluctuations in the skyrmion host EuPtSi: μSR and NMR studies2021

    • Author(s)
      Higa N.、Ito T. U.、Yogi M.、Hattori T.、Sakai H.、Kambe S.、Guguchia Z.、Higemoto W.、Nakashima M.、Homma Y.、Nakamura A.、Honda F.、Shimizu Y.、Aoki D.、Kakihana M.、Hedo M.、Nakama T.、Onuki Y.、Tokunaga Y.
    • Journal Title

      Physical Review B

      Volume: 104 Issue: 4 Pages: 045145-045145

    • DOI

      10.1103/physrevb.104.045145

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Rabi-oscillation spectroscopy of the hyperfine structure of muonium atoms2021

    • Author(s)
      S. Nishimura, H. A. Torii, Y. Fukao, T. U. Ito, and K. Shimomura et al. (MuSEUM Collaboration)
    • Journal Title

      Physical Review A

      Volume: 104 Issue: 2 Pages: 1-6

    • DOI

      10.1103/physreva.104.l020801

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] High-temperature antiferromagnetism in Yb based heavy fermion systems proximate to a Kondo insulator2021

    • Author(s)
      S. Suzuki, K. Takubo, K. Kuga, W. Higemoto, T. U. Ito, T. Tomita, Y. Shimura, Y. Matsumoto, C. Bareille, H. Wadati, S. Shin, and S. Nakatsuji
    • Journal Title

      Physical Review Research

      Volume: 3 Issue: 2 Pages: 023140-023140

    • DOI

      10.1103/physrevresearch.3.023140

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Sm valence determination of Sm-based Intermetallics using 149Sm Mossbauer and Sm LIII-edge X-ray absorption spectroscopies2021

    • Author(s)
      Tsutsui Satoshi、Higashinaka Ryuji、Nakamura Raito、Fujiwara Kosuke、Nakamura Jin、Kobayashi Yoshio、Ito Takashi U.、Yoda Yoshitaka、Kato Kazuo、Nitta Kiyofumi、Kawamura Naomi、Mizumaki Masaichiro、Matsuda Tatsuma D.、Aoki Yuji
    • Journal Title

      Hyperfine Interactions

      Volume: 242 Issue: 1 Pages: 32-32

    • DOI

      10.1007/s10751-021-01759-x

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] High-temperature short-range order in Mn3RhSi2020

    • Author(s)
      Hiroki Yamauchi, Dita Puspita Sari, Isao Watanabe, Yukio Yasui, Lieh-Jeng Chang, Keietsu Kondo, Takashi U. Ito, Motoyuki Ishikado, Masato Hagihara, Matthias D. Frontzek, Songxue Chi, Jaime A. Fernandez-Baca, James S. Lord, Adam Berlie, Atsuhiro Kotani, Shigeo Mori, Shin-ichi Shamoto
    • Journal Title

      Communications Materials

      Volume: 1 Issue: 1

    • DOI

      10.1038/s43246-020-0042-1

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] ペロブスカイト型酸化物中のミュオン拡散におけるゼロ点振動の影響2023

    • Author(s)
      伊藤 孝, 髭本 亘, 幸田 章宏, 下村 浩一郎
    • Organizer
      日本物理学会2023年春季大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] μ+SR as a Potential Tool for Depth-resolved Detection of Oxygen Vacancies in Perovskite Oxides2021

    • Author(s)
      Takashi U. Ito
    • Organizer
      Material Research Meeting 2021 (MRM2021)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Positive Muons in SrTiO3: Electronic Structure of the Hydrogen-Like Defects and Their Potential Use in Depth-Resolved Detection of Oxygen Vacancies2021

    • Author(s)
      Takashi U. Ito
    • Organizer
      The 9th International Symposium on Surface Science (ISSS-9)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] ルチルTiO2中のミュオニウム関連常磁性欠陥に対する電子スピン共鳴2021

    • Author(s)
      伊藤 孝
    • Organizer
      CIQuS研究会「無機材料中の水素の存在状態と機能発現 II」
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] SrTiO3中の微量水素/ミュオニウムの電子状態2020

    • Author(s)
      伊藤孝
    • Organizer
      量子ビーム連携研究センター研究会「無機材料中の水素の存在状態と機能発現」
    • Related Report
      2020 Research-status Report
    • Invited
  • [Book] Hydrogenomics: The Science of Fully Utilizing Hydrogen2023

    • Author(s)
      Orimo Shin-ichi, Fukutani Katsuyuki, Fujita Ken-ichi (Editors)
    • Total Pages
      304
    • Publisher
      Kyoritsu Shuppan Co., Ltd.
    • ISBN
      9784320952072
    • Related Report
      2022 Annual Research Report

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Published: 2020-04-28   Modified: 2024-01-30  

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