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Correlation between rattling of rare earth ion and the electronic state in cage-structured compounds

Research Project

Project/Area Number 15K05190
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Condensed matter physics II
Research InstitutionNational Institute for Materials Science

Principal Investigator

TSUJII NAOHITO  国立研究開発法人物質・材料研究機構, 機能性材料研究拠点, 主幹研究員 (90354365)

Co-Investigator(Kenkyū-buntansha) 山岡 人志  国立研究開発法人理化学研究所, 放射光科学研究センター, 専任研究員 (30239850)
櫻井 裕也  国立研究開発法人物質・材料研究機構, 機能性材料研究拠点, 主任研究員 (60421400)
Research Collaborator KITAZAWA Hideaki  
Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords希土類化合物 / 価数揺動 / ラットリング / 熱伝導率 / 中性子回折 / 磁性 / 磁気構造 / 格子 / 熱伝導 / Yb / 熱振動 / カゴ状構造 / 希土類 / 近藤効果 / 重い電子
Outline of Final Research Achievements

Intermetallic compounds with cage-like structure or anisotropic structure are of great interest since they often show intriguing properties such as superconductivity and valence transition. In this research, we focused on the possible effect of the hybridization of f- and carrier electrons to the lattice dynamics in cage structured compounds with rare earth ions. We performed neutron powder diffraction experiments on Ce3Pd20X6 (X=Si, Ge) and found that the atomic displacement parameters of Ce ions are large. We also observed significantly reduced thermal conductivity at low temperature in these Ce compounds, which is explained by the phonon scattering by the distinct c-f hybridization. Our results show strong correlation between f-electronic state and the atomic vibration, which calls for further detailed research.

Academic Significance and Societal Importance of the Research Achievements

これまであまり注目されてこなかった4f電子と伝導電子の混成が原子振動に及ぼす効果について研究し、これらの間に強い関連があることが明らかになった。特にc-f混成とラットリングの相関や、価数揺動によるフォノン散乱による熱伝導率の低減など、熱物性への顕著な影響が観測された。4f電子の電子状態はこれまで学術的に詳しく研究されてきた。今後、希土類を含んだ化合物に関して、例えば熱電材料、熱膨張、磁気熱量効果などの熱物性の応用のために、これまで蓄積されてきた電子系の知識を活用することで、研究が大きく進展することを意味している。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (36 results)

All 2018 2017 2016 2015 Other

All Int'l Joint Research (6 results) Journal Article (9 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 9 results,  Open Access: 5 results,  Acknowledgement Compliant: 6 results) Presentation (17 results) (of which Int'l Joint Research: 3 results) Remarks (4 results)

  • [Int'l Joint Research] ブルックヘブン国立研究所/オークリッジ国立研究所(米国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Paul Scherrer Institut(スイス)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Vienna University of Technology(オーストリア)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Brookhaven National Laboratory/Oak Ridge National Laboratory/University of Texas(米国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] University of Genova(イタリア)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] National Synchrotron Radiation Center(台湾)

    • Related Report
      2017 Research-status Report
  • [Journal Article] Magnetic study of FeSi1-xGex across the nonmagnetic-ferromagnetic transition2017

    • Author(s)
      N. Tsujii
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 868 Pages: 012009-012009

    • DOI

      10.1088/1742-6596/868/1/012009

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pressure-induced anomalous valence crossover in cubic YbCu5-based compounds2017

    • Author(s)
      H. Yamaoka, N. Tsujii, M.T. Suzuki, Y. Yamamoto, I. Jarrige, H. Sato, J.F. Lin, T. Mito, J. Mizuki, H. Sakurai, O. Sakai, N. Hiraoka, H. Ishii, K.D. Tsuei, M. Giovannini, E. Bauer
    • Journal Title

      Scientific Reports

      Volume: 7 Issue: 1 Pages: 5846-5846

    • DOI

      10.1038/s41598-017-06190-3

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Electronic structure of ferromagnetic heavy fermion, YbPdSi, YbPdGe, and YbPtGe studied by photoelectron spectroscopy, x-ray emission spectroscopy, and DFT+DMFT calculations2017

    • Author(s)
      H. Yamaoka, P. Thunstrom, N. Tsujii, K. Katoh, Y. Yamamoto, E.F. Schwier, K. Shimada, H. Iwasawa, M. Arita, I.Jarrige, N. Hiraoka, H. Ishii, K.D. Tsuei, J. Mizuki
    • Journal Title

      Journal of Physics: Condensed Matter

      Volume: 29 Issue: 47 Pages: 475502-475502

    • DOI

      10.1088/1361-648x/aa8b98

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Magnetic study of FeSi1-xGex across the nonmagnetic-ferromagnetic transition2017

    • Author(s)
      N. Tsujii
    • Journal Title

      Journal of Physics Conference series

      Volume: 印刷中

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Anisotropic magnetic properties and magnetic structure of YbPdSi2016

    • Author(s)
      N. Tsujii, L. Keller, A. Doenni, H. Kitazawa
    • Journal Title

      Journal of Physics: Condensed Matter

      Volume: 28 Issue: 33 Pages: 336002-336002

    • DOI

      10.1088/0953-8984/28/33/336002

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Pressure-induced phase transition in LaCo5 studied by x-ray emission spectroscopy, x-ray diffraction, and density functional theory2016

    • Author(s)
      H. Yamaoka, Y. Yamamoto, E.F. Schwier, N. Tsujii, M. Yoshida, Y. Ohta, H. Sakurai, J. Lin, N. Hiraoka, H. Ishii, K. Tsuei, M. Arita, K. Shimada, J. Mizuki
    • Journal Title

      Phys. Rev. B

      Volume: 94 Issue: 16 Pages: 165156-165156

    • DOI

      10.1103/physrevb.94.165156

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Effect of annealing on microstructure and thermoelectric properties of Sb-doped Mg2Si0.5Sn0.5 solid solution2016

    • Author(s)
      J.W. Liu, M. Song, M. Takeguchi, N. Tsujii, Y. Isoda
    • Journal Title

      Journal of Electronic Materials

      Volume: 45 Issue: 1 Pages: 602-614

    • DOI

      10.1007/s11664-015-4158-x

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Effect of nanostructuring and high-pressure torsion process on thermal conductivity of carrier-doped chalcopyrite2016

    • Author(s)
      N. Tsujii, F. Meng, K. Tsuchiya, S. Maruyama, T. Mori
    • Journal Title

      Journal of Electronic Materials

      Volume: 45 Issue: 3 Pages: 1642-1647

    • DOI

      10.1007/s11664-015-4147-0

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Magnetic structure of the ferromagnetic Kondo-lattice compounds YbPtGe and YbPdGe2015

    • Author(s)
      N. Tsujii, K. Katoh, L. Keller, A. Donni, N. Terada, H. Kitazawa
    • Journal Title

      Journal of Physics: Condensed Matter

      Volume: 27 Issue: 32 Pages: 325601-325601

    • DOI

      10.1088/0953-8984/27/32/325601

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] Observation of rattling in cage-structured compounds R3Pd20X62018

    • Author(s)
      N. Tsujii, H. Kitazawa, M.J. Kirkham, A. Huq
    • Organizer
      MI・計測合同シンポジウム
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] YbCu2-xGaxにおけるYb価数の温度・圧力依存性2017

    • Author(s)
      山岡人志、山本義哉、辻井直人、吉田雅洋、津田俊輔、佐藤仁、A. Rousuli、有田将司、島田賢也、J. Lin、平岡望、石井啓文、K. Tsuei、水木純一郎
    • Organizer
      日本物理学会 第72回年次大会
    • Place of Presentation
      大阪大学
    • Year and Date
      2017-03-17
    • Related Report
      2016 Research-status Report
  • [Presentation] 強磁性重い電子系YbPdSiの磁気異方性と磁気構造2017

    • Author(s)
      N. Tsujii, L. Keller, A. Doenni, H. Kitazawa
    • Organizer
      日本物理学会2017年秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] カゴ状化合物R3Pd20X6 (R=La,Ce; X=Si,Ge)におけるラットリングと熱伝導2017

    • Author(s)
      N. Tsujii, N. Onodera, H. Kitazawa, M.J. Kirkham, A. Huq
    • Organizer
      日本物理学会2017年秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Cubic Yb2Cu9の圧力による一次相転移2017

    • Author(s)
      H. Yamaoka, N. Tsujii, Y. Yamamoto, J.F. Lin, N. Hiraoka, H. Ishii, K.D. Tsuei, J. Mizuki
    • Organizer
      日本物理学会2017年秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Neutron powder diffraction study of the geometrically frustrated antiferromagnets YbIrGe and YbCuGe2017

    • Author(s)
      N. Tsujii, K. Katoh, L. Keller, A. Doenni, H. Suzuki, H. Kitazawa
    • Organizer
      International conference on strongly correlated electron systems 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 強磁性重い電子系化合物の中性子回折による研究2017

    • Author(s)
      辻井直人、L. Keller, A. Doenni, 北澤英明
    • Organizer
      共用・計測合同シンポジウム
    • Place of Presentation
      物質・材料研究機構
    • Related Report
      2016 Research-status Report
  • [Presentation] LaCo5における電子状態と結晶構造の圧力変化:X線発光分光とX線回折によるLifshitz transitionの観測2016

    • Author(s)
      山岡人志, 山本義哉, 辻井直人, 吉田雅洋, 太田雄, 櫻井裕也, Lin Jung-Fu, 平岡望, 石井啓文, Tsuei Ku-Ding, 有田将司, 島田賢也, 水木純一郎
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Presentation] Dy5Pd2の磁気熱量効果2016

    • Author(s)
      豊泉沙織, 松下能孝, Milena Bochenek, 辻井直人, 森田憲吾, 田巻明, 北澤英明
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Presentation] YbT6Ge6(T=Cr, Mn, Co)の単結晶育成と物性2016

    • Author(s)
      勝間勇人, 道岡千城, 植田浩明, 松尾晶, 金道浩一, 辻井直人, 吉村一良
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Presentation] 希土類化合物REPd2Si2のRE価数と105Pd-NQR周波数の相関2016

    • Author(s)
      濱端良輔, 江見直哉, 中山大将, 丸山丈博, 三ツ森雄大, 小山岳秀, 上田光一, 水戸毅, 辻井直人, 光田暁弘
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Presentation] YbをドープしたI型クラスレートの作成と熱電物性2016

    • Author(s)
      辻井直人、森孝雄
    • Organizer
      日本熱電学会 第十三回学術講演会
    • Place of Presentation
      東京理科大学
    • Year and Date
      2016-09-05
    • Related Report
      2016 Research-status Report
  • [Presentation] カゴ状化合物におけるラットリングの中性子回折による観測2016

    • Author(s)
      辻井直人、M.J. Kirkham、A. Huq、北澤英明
    • Organizer
      共用・計測合同シンポジウム2016
    • Place of Presentation
      物質・材料研究機構
    • Year and Date
      2016-03-04
    • Related Report
      2015 Research-status Report
  • [Presentation] Pressure-induced anomalous valence transition in YbCu5-based compounds probed by resonant x-ray emission spectroscopy2015

    • Author(s)
      山岡人志, 辻井直人, 山本義哉, 水木純一郎
    • Organizer
      The 9th International Conference on Inelastic X-ray Scattring
    • Place of Presentation
      National Sychrotron Radiateon Center, Hsinchu, Taiwan
    • Year and Date
      2015-11-22
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] YbPtGeとYbPdGeの磁気構造2015

    • Author(s)
      辻井直人、加藤健一、A. Donni、L. Keller、寺田典樹、北澤英明
    • Organizer
      日本物理学会2015年秋季大会
    • Place of Presentation
      関西大学
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report
  • [Presentation] 異常な磁気抵抗を示す(Na1-xCax)Cr2O4の光電子分光、X線吸収分光、X線回折による電子構造と結晶構造の測定2015

    • Author(s)
      山岡人志, 山本義哉, E. F. Schwier , 仲武昌史, 澤田正博, 櫻井裕也, 辻井直人, 有田将司, 島田賢也, 生天目博文, 谷口雅樹, 水木純一郎
    • Organizer
      日本物理学会2015年秋季大会
    • Place of Presentation
      関西大学
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report
  • [Presentation] Cubic YbCu5系化合物の高圧下におけるYb価数の異常な振舞い2015

    • Author(s)
      山岡人志、辻井直人、鈴木通人、山本義哉、Ignace Jarrige , 佐藤 仁, Jung-Fu Lin , 水戸 毅, 櫻井裕也、平岡 望, 石井啓文, Ku-Ding Tsuei , 酒井 治, 水木純一郎, M. Giovannini, E. Bauer
    • Organizer
      日本物理学会2015年秋季大会
    • Place of Presentation
      関西大学
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report
  • [Remarks] 辻井直人

    • URL

      https://samurai.nims.go.jp/profiles/tsujii_naohito/publications#article

    • Related Report
      2018 Annual Research Report
  • [Remarks] 辻井直人

    • URL

      https://samurai.nims.go.jp/profiles/tsujii_naohito/publications

    • Related Report
      2017 Research-status Report
  • [Remarks] 辻井直人 出版物一覧

    • URL

      http://samurai.nims.go.jp/TSUJII_Naohito-publication-j.html

    • Related Report
      2016 Research-status Report
  • [Remarks] 辻井直人 出版物一覧

    • URL

      http://samurai.nims.go.jp/TSUJII_Naohito-publication-j.html#Paper

    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2022-02-22  

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