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Elucidation of electronic structures of magnetic uranium compounds

Research Project

Project/Area Number 26400374
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Condensed matter physics II
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

Fujimori Shin-ichi  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 物質科学研究センター, 研究主幹 (70343936)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords強相関電子系 / アクチノイド化合物 / 角度分解光電子分光
Outline of Final Research Achievements

The electronic structures of UX3 (X=Al, Ga, and In) compounds, which exhibit various magnetic properties, have been studied by the photoelectron spectroscopy with synchrotron radiation to understand the relationship between the magnetic property and the electronic structure in the strongly correlated f- electron system. We have found that 5f electrons have an essentially itinerant character in UAl3 and UGa3 while there is a contribution from electron correlation effect in UIn3. Although their Fermi surfaces have similar structures, their fine structures have distinct differences. They are essential information for the understanding in the itinerant f-electron magnets, and contribute their essential understanding.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (14 results)

All 2016 2015 2014

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 2 results,  Acknowledgement Compliant: 4 results) Presentation (9 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results)

  • [Journal Article] Electronic structures of uranium compounds studied by soft x-ray photoelectron spectroscopy2016

    • Author(s)
      Shin-ichi Fujimori, Yukiharu Takeda, Tetsuo Okane, Yuji Saitoh, Atsushi Fujimori, Hiroshi Yamagami, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 85 Issue: 6 Pages: 062001-062001

    • DOI

      10.7566/jpsj.85.062001

    • NAID

      210000133944

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Recent progress of soft X-ray photoelectron spectroscopy studies of uranium compounds2016

    • Author(s)
      S. Fujimori,, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Journal Title

      J. Electron Spectrosc. Relat. Phenom.

      Volume: 208 Pages: 105-110

    • DOI

      10.1016/j.elspec.2015.08.001

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Band structures of 4f and 5f materials studied by angle-resolved photoelectron spectroscopy2016

    • Author(s)
      S. Fujimori
    • Journal Title

      J. Phys.: Condens. Matter

      Volume: 38 Issue: 15 Pages: 153002-153002

    • DOI

      10.1088/0953-8984/28/15/153002

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Electronic Structures of Uranium Compounds Studied by Soft X-ray Photoelectron Spectroscopy2016

    • Author(s)
      S. Fujimori,, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 印刷中

    • NAID

      210000133944

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Electronic structures of ferromagnetic superconductors UGe2 and UCoGe studied by angle-resolved photoelectron spectroscopy2015

    • Author(s)
      S. Fujimori, T. Ohkochi, I. Kawasaki, A. Yasui, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Journal Title

      Phys. Rev. B

      Volume: 91 Issue: 17

    • DOI

      10.1103/physrevb.91.174503

    • Related Report
      2015 Research-status Report 2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] ARPESによる5f電子状態の圧力効果2016

    • Author(s)
      藤森伸一,小畠雅明,竹田幸治,岡根哲夫,斎藤祐児,藤森淳,山上浩志,山本悦嗣,芳賀芳範,大貫惇睦
    • Organizer
      日本物理学会2016年秋季大会
    • Place of Presentation
      金沢大学(石川県金沢市)
    • Year and Date
      2016-09-13
    • Related Report
      2016 Annual Research Report
  • [Presentation] Imaging bulk U 5f electronic structures of uranium compounds by U 4d-5f resonant photoemission2016

    • Author(s)
      Shin-ichi Fujimori
    • Organizer
      The workshop on experiment and theory of the electronic structure of correlated f-electron materials
    • Place of Presentation
      Temple University (USA)
    • Year and Date
      2016-08-15
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] ウラン化合物の4d-5ƒ共鳴光電子分光2016

    • Author(s)
      藤森伸一,小畠雅明,竹田幸治,岡根哲夫,斎藤祐児,藤森淳,山上浩志,山本悦嗣,芳賀芳範,大貫惇睦
    • Organizer
      日本物理学会第71回年会
    • Place of Presentation
      東北学院大学泉キャンパス(宮城県仙台市)
    • Year and Date
      2016-03-19
    • Related Report
      2015 Research-status Report
  • [Presentation] Electronic structure of ThRu2Si2 studied by ARPES2015

    • Author(s)
      S. Fujimori, M. Kobata, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Matsumoto, E. Yamamoto, N. Tateiwa, and Y. Haga
    • Organizer
      20th International Conference on Magnetism
    • Place of Presentation
      Palau de Congressos de Catalunya (Barcelona, Spain)
    • Year and Date
      2015-07-05
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 角度分解光電子分光によるThRu2Si2の電子状態2015

    • Author(s)
      藤森伸一,小畠雅明,竹田幸治,岡根哲夫,斎藤祐児,藤森淳,山上浩志,芳賀芳範,山本悦嗣,大貫惇睦
    • Organizer
      日本物理学会第70回年次大会
    • Place of Presentation
      早稲田大学(東京都新宿区)
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] 軟X線ARPESによるUGa3の電子状態2015

    • Author(s)
      藤森伸一,小畠雅明,竹田幸治,岡根哲夫,斎藤祐児,藤森淳,山上浩志,芳賀芳範,山本悦嗣,大貫惇睦
    • Organizer
      第28回 日本放射光学会年会
    • Place of Presentation
      立命館大学(滋賀県草津市)
    • Year and Date
      2015-01-10 – 2015-01-12
    • Related Report
      2014 Research-status Report
  • [Presentation] ARPES study of ferromagnetic superconductors URhGe, UCoGe, and UGe22014

    • Author(s)
      S. Fujimori, T. Ohkochi, I. Kawasaki, A. Yasui, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Organizer
      Reimei-ICC-IMR workshop
    • Place of Presentation
      東北大学(宮城県仙台市)
    • Year and Date
      2014-12-04 – 2014-12-05
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Electronic structure of UGa 3 studied by angle-resolved photoelectron spectroscopy2014

    • Author(s)
      S. Fujimori, M. Kobata, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Organizer
      International Conference on Strongly Correlated Electron Systems
    • Place of Presentation
      Grenoble, France
    • Year and Date
      2014-07-07 – 2014-07-11
    • Related Report
      2014 Research-status Report
  • [Presentation] ARPES study of UGa3: itinerant and localized natures of 5f electrons2014

    • Author(s)
      S. Fujimori, M. Kobata, Y. Takeda, T. Okane, Y. Saitoh, A. Fujimori, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Organizer
      The Fifth International Workshop on the Dual Nature of f-electrons
    • Place of Presentation
      Suwon, Korea
    • Year and Date
      2014-05-28 – 2014-05-31
    • Related Report
      2014 Research-status Report
    • Invited

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Published: 2014-04-04   Modified: 2020-05-15  

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