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充填スクッテルダイト化合物が示す特徴的物性の理論的解明

Research Project

Project/Area Number 18027004
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionTohoku University

Principal Investigator

倉本 義夫  Tohoku University, 大学院・理学研究科, 教授 (70111250)

Co-Investigator(Kenkyū-buntansha) 竹ヶ原 克彦  弘前大学, 大学院・理工学研究科, 教授 (80133924)
酒井 治  物質・材料研究機構, 量子ビームセンター, NIMS特別研究員 (60005957)
町田 一成  岡山大学, 大学院・自然科学研究科, 教授 (50025491)
紺谷 浩  名古屋大学, 大学院・理学研究科, 准教授 (90272533)
楠瀬 博明  愛媛大学, 大学院・理工学研究科, 准教授 (00292201)
Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥16,700,000 (Direct Cost: ¥16,700,000)
Fiscal Year 2007: ¥7,800,000 (Direct Cost: ¥7,800,000)
Fiscal Year 2006: ¥8,900,000 (Direct Cost: ¥8,900,000)
Keywordsスクッテルダイト / 近藤効果 / 混成相互作用 / 結晶場 / 金属絶縁体転移 / 多極子 / 超伝導 / スカラー秩序
Research Abstract

理論班は,スクッテルダイト系における新奇現象理解への鍵となる概念形成を行い,全計画班の連携をサポートすることなどを主要な目標として活動した。その結果,以下を例とする多くの成果を得た。
1. Prスタッテルダイトでは,結晶場状態により,近藤効果の重要性が大きく異なることを微視的な計算によって示した。
2. PrFe4P12やPrRu4P12の秩序変数は,結晶の立方対称性を保つスカラー型であり,これが交替的に副格子を形成していることを提案し,温度に依存する結晶場状態など多くの実験を説明した。
3. SmRu4P12の奇妙な相図と物性について,磁気八極子が主要な秩序変数であることを確認し,CeB6との類似性から特徴的なNQRパターンなどを説明できることを指摘した。
4.多極子秩序による帯磁率,磁気異方性への反映を現象論を用いて明らかにした。これにより実験結果を多極子の描像によって合理的に解釈した。
5. PrFe4P12の複雑な核磁気共鳴スペクトルを対称性を考慮して解析し,スカラー型秩序変数の描像で説明できることを示した。
6.伝導電子のバンド構造が秩序構造に与える役割を明らかにした。特に結晶構造とリガンド電子の構造により強いネスティングが存在することが,多極子の反強的秩序形成に重要であることを示した。
7.スクッテルダイト特有の構造によるラトリングの役割に注目し,超音波物性に対する特有の効果を明らかにした。また磁場に鈍感な重い電子生成に導く可能性を指摘した。

Report

(2 results)
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (65 results)

All 2008 2007 2006

All Journal Article (61 results) (of which Peer Reviewed: 33 results) Presentation (4 results)

  • [Journal Article] Consequence of Spatial Symmetry on 31P NMR Spectra in PrFe4P12 with Scalar Order2008

    • Author(s)
      Annamaria Kiss
    • Journal Title

      J. Phys. Soc. Jpn. A77

      Pages: 72-77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Toward Identification of Order Parameters in Skutterudites, -a Wonderland of Strong Correlation Physics-2008

    • Author(s)
      Yoshio Kuramoto
    • Journal Title

      J. Phys. Soc. Jpn. A77

      Pages: 187-192

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Exact density matrix of the Gutzwiller wave function as the ground state of the inverse-square supersymmetric t-J model. II. Minority spin component2008

    • Author(s)
      Onuttom Narayan
    • Journal Title

      Phys. Rev. B77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Phenomenological Theory of a Scalar Electronic Order : Application to Skutterudite PrFe4P122008

    • Author(s)
      Annamaria Kiss
    • Journal Title

      J. Phys. Soc. Jpn. 77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fermi surface of the filled skutterudite LaOs_4P_<12>2008

    • Author(s)
      H. Harima
    • Journal Title

      Physica B 403

      Pages: 906-908

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electronic band structure for SmOs_4Sb_<12>2008

    • Author(s)
      K. Takegahara
    • Journal Title

      J. Phys. Soc. Jpn. A77

      Pages: 193-195

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electronic structures for alkaline-earth filled skutterudite antimonides2008

    • Author(s)
      K. Takegahara
    • Journal Title

      J. Phys. Soc. Jpn. A77

      Pages: 294-296

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Local static distortion of rare earth ions in ROs_4Sb_<12> (R=La, Ce, Pr, Nd, Sm) by extended x-ray absorption fine structure2008

    • Author(s)
      K. Nitta
    • Journal Title

      J. Phys. Soc. Jpn. 77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Extension of Dynamical Mean-Field Theory : Inclusion of Spatial Fluctuations2008

    • Author(s)
      H. Kusunose
    • Journal Title

      J. Phys. Soc. Jpn. Suppl. 77

      Pages: 202-205

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Description of Multipole in f-Electron Systems2008

    • Author(s)
      H. Kusunose
    • Journal Title

      J. Phys. Soc. Jpn. 77

    • NAID

      110006781594

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin-Dependent Mass Enhancement under Magnetic Field in the Periodic Anderson Model2008

    • Author(s)
      S. Onari
    • Journal Title

      J. Phys. Soc. Jpn. 77

      Pages: 23703-23703

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetotransport properties governed by antiferromagnetic fluctuations in the heavy-fermion superconductor CeIrIn_52008

    • Author(s)
      R. Settai
    • Journal Title

      Phys. Rev. B 77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Anomalous Transport Phenomena in Fermi Liquids with Strong Magnetic Fluctuations2008

    • Author(s)
      H. Kontani
    • Journal Title

      Rep. Prog. Phys. 71

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 多極子秩序とNMR測定によるその同定2008

    • Author(s)
      酒井治
    • Journal Title

      日本物理学会誌 63

      Pages: 427-434

    • NAID

      110006781897

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The de Haas-van Alphen Effect in Kondo Systems with Crystalline Electric Field2007

    • Author(s)
      J. Otsuki
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 425-427

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Partially Solved Jigsaw Puzzle on Electronic Orders in Skutterudites2007

    • Author(s)
      Y. Kuramoto
    • Journal Title

      JPSJ Online-News and Comments Apr. 13

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Continuous-Time Quantum Monte Carlo Method for the Coqblin-Schrieffer Model2007

    • Author(s)
      J. Otsuki
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Analysis of hyperfine interactions in NMR studies of Pr-skutterudites2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Phys. Chem. Solids 68

      Pages: 2084-2086

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] DMFT band calculation for Ce compounds2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 374-376

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Band Calculation for Ce-pnictides on the basis of Dynamical Mean Field Theory2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • NAID

      110006278061

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Band Calculation for 4f Systems based on the Dynamical Mean Field Theory2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Phys. C 19

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental and Theoretical Studies of NMR in PreFe_4P_<12>-Suggestion of Antiferro-monopole Type Ordering-2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electronic band structures in LaRu_4P_<12> and LaFe_4P_<12> with modulated skutterudite structures2007

    • Author(s)
      K. Takegahara
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 861-863

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] EXAFS study of filled skutterudites PrOs_4Sb_<12> and LaOs_4Sb_<12>2007

    • Author(s)
      K. Nitta
    • Journal Title

      Proccedings on XAFS 13, AIP Conf. Proc. 882

      Pages: 265-267

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic Octupole Observed by Neutron Scattering : A Route toward Visible Order2007

    • Author(s)
      H. Kusunose
    • Journal Title

      JPSJ Online-News and Comments Sep. 10

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Intrinsic anomaloous Hall effect in ferromagnetic metals studied by the multi- d -orbital tight-binding model2007

    • Author(s)
      H. Kotani
    • Journal Title

      Phys. Rev. B 75

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theory of Infrared Hall Conductivity Based on the Fermi Liquid Theory2007

    • Author(s)
      H. Kontani
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electronic thermal conductivity in a superconducting vortex state2007

    • Author(s)
      H. Adachi
    • Journal Title

      Physica C 463-465

      Pages: 36-39

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Macroscopic manifestations of broken inversion symmetry in noncentrosymmetric superconductors with applied magnetic field2007

    • Author(s)
      M. Oka
    • Journal Title

      J. Magn. Magn. Mater 310

      Pages: 575-577

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Vortex state in FFLO superconductors2007

    • Author(s)
      M. Ichioka
    • Journal Title

      J. Magn. Magn. Mater 310

      Pages: 593-595

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quasiclassical calculation of the quasiparticle thermal conductivity in a mixed state2007

    • Author(s)
      H. Adachi
    • Journal Title

      J. Magn. Magn. Mater 310

      Pages: 640-642

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The superconducting gap structure of PrOs_4Sb_<12> and CeRu_2 probed by C(H,φ)2007

    • Author(s)
      J. Custers
    • Journal Title

      J. Magn. Magn. Mater 310

      Pages: 700-702

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental and Theoretical Studies of NMR in PrFe_4P_<12>-Suggestion of the Local Monopole Type Ordering-2007

    • Author(s)
      O. Sakai
    • Journal Title

      J. Phys. Soc. Jpn. 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The de Haas-van Alphen effect in Kondo systems with crystalline electric field2007

    • Author(s)
      J.Otsuki, H.Kusunose, Y.Kuramoto
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 425-427

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Electronic Band Structures in LaRu4P12 and LaFe4P12 with Modulated Skutterudite Structures2007

    • Author(s)
      K.Takegahara, H.Harima
    • Journal Title

      J. Magn. Magn. Mater. 310

      Pages: 861-863

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Experimental and Theoretical Studies on NMR in PrFe4P12-Suggestion of Antiferro-momopole Type Ordering -2007

    • Author(s)
      Osamu Sakai et al.
    • Journal Title

      J. Phys. Soc. Jpn. 76・2

      Pages: 0247101-13

    • Related Report
      2006 Annual Research Report
  • [Journal Article] DMFT band calculation for Ce compounds2007

    • Author(s)
      Osamu Sakai, Yukihiro Shimizu
    • Journal Title

      J. Magn. Magn. Mater 310

      Pages: 374-376

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Band Calculation for Ce-pnictides on the basis of Dynamical Mean Field Theory2007

    • Author(s)
      Osamu Sakai, Yukihiro Shimizu
    • Journal Title

      J. Phys. Soc. Jpn. 76

      Pages: 44707-44707

    • NAID

      110006278061

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Non-Fermi Liquid Behavior in the Magnetotransport of CeMIn5(M : Co and Rh) : Striking Similarity between Quasi Two-DimensionalHeavy Fermion and High-Tc Cuprates2007

    • Author(s)
      Y.Nakajima et al.
    • Journal Title

      J. Phys. Soc. Jpn. 76・2

      Pages: 24703-24703

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Dynamics of singlet-triplet crystalline electric field levels in Pr skutterudites2006

    • Author(s)
      J.Otsuki, H.Kusunose, Y.Kuramoto
    • Journal Title

      Physica B 378-380

      Pages: 244-245

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Model for multiple ordered phases induced by magnetic field in PrFe4P122006

    • Author(s)
      A.Kiss, Y.Kuramoto
    • Journal Title

      Physica B 378-380

      Pages: 248-249

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Theory of multiplet effect in the photoemission spectrum of Pr-skutterudites2006

    • Author(s)
      Y.Shimizu, Y.Kuramoto, O.Sakai
    • Journal Title

      Physica B 378-380

      Pages: 250-251

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Exact density matrix of the Gutzwiller wave function as the ground state of the inverse-square supersymmetric t-J model2006

    • Author(s)
      Onuttom Narayan, Yoshio Kuramoto
    • Journal Title

      Phys. Rev. B 73

    • NAID

      120000775522

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Mean Field Model for the Magnetic Behavior of NpTGa5 with T=Co, Ni and Rh2006

    • Author(s)
      A.Kiss, Y.Kuramoto
    • Journal Title

      J. Phys. Soc. Jpn. 75・Suppl

      Pages: 253-255

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Self-Consistent Perturbation Theory for Thermodynamics of Magnetic Impurity Systems2006

    • Author(s)
      J.Otsuki, H.Kusunose, Y.Kuramoto
    • Journal Title

      J. Phys. Soc. Jpn. 75・Suppl

      Pages: 256-258

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hybridization and Multipole Orders of 4f Electrons in Pr Skutterudites2006

    • Author(s)
      Y.Kuramoto, A.Kiss, J.Otsuki, H.Kusunose
    • Journal Title

      J. Phys. Soc. 75・Suppl

      Pages: 209-214

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Diffraction from ordered states of higher multipoles2006

    • Author(s)
      Y.Kuramoto, H.Kusunose, A.Kiss
    • Journal Title

      Physica B 383

      Pages: 5-8

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Scalar Order : Possible Candidate for Order Parameters in Skutterudites2006

    • Author(s)
      A.Kiss, Y.Kuramoto
    • Journal Title

      J. Phys. Soc. Jpn. 75

    • NAID

      210000106346

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Infrared Study on Electronic Structure of SrT4Sb12 (T=Fe, Ru)2006

    • Author(s)
      S.Kimura et al.
    • Journal Title

      Physica B 383

      Pages: 137-139

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Ubiquitous V-Shape Density of States in a Mixed State of Clean Limit Type II Superconductors2006

    • Author(s)
      N.Nakai et al.
    • Journal Title

      Phys. Rev. Lett. 97

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Surface and vortex structures in noncentrosymmetric superconductors under applied magnetic fields2006

    • Author(s)
      M.Oka, M.Ichioka, K.Machida
    • Journal Title

      hys. Rev. B 73

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Specific heat and low-lying excitations in the mixed state for a type-II superconductor2006

    • Author(s)
      N.Nakai, P.Miranovi, M.Ichioka, K.Machida
    • Journal Title

      Phys. Rev. B 73

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Basal-Plane Magnetic Anisotropies of High-k d-Wave Superconductors in a Mixed State : A Quasiclassical Approach2006

    • Author(s)
      H.Adachi, P.Miranovic, M.Ichioka, K.Machida
    • Journal Title

      J. Phys. Soc. Jpn. 75

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Electronic structure of vortex state in a FFLO superconductor2006

    • Author(s)
      M.Ichioka, H.Adachi, T.Mizushima, K.Machida
    • Journal Title

      Physica C 445-448

      Pages: 186-189

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Theoretical Study of the Phase Diagram of β'-(BEDT-TTF) 2AuC12 at Hydrostatic Pressure2006

    • Author(s)
      H.Kino, H.Kontani, T.Miyazaki
    • Journal Title

      J. Phys. Soc. Jpn. 75・10

      Pages: 104702-104702

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Transport phenomena in a three-dimensional system close to themagnetic quantum critical point : The conserving approximationwith current vertex corrections2006

    • Author(s)
      S.Onari, H.Kontani, Y.Tanaka
    • Journal Title

      Phys. Rev. B 73・22

      Pages: 224434-224434

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Effect of a nonmagnetic impurity in a nearly antiferromagnetic Fermi liquid : Magnetic correlations and transport phenomena2006

    • Author(s)
      H.Kontani, M.Ohno
    • Journal Title

      Phys. Rev. B 74・1

      Pages: 14406-14406

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Optical conductivity of bad metals : Shift of the Drude peak2006

    • Author(s)
      T.Mutou, H.Kontani
    • Journal Title

      Phys. Rev. B 74・11

      Pages: 115107-115107

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Influence of Spatial Correlations in Strongly Correlated Electron Sysmtems2006

    • Author(s)
      H.Kusunose
    • Journal Title

      J. Phys. Soc. Jpn. 75

      Pages: 54713-54713

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 磁気八極子秩序-共鳴X線散乱の理論的解析2006

    • Author(s)
      楠瀬博明, 倉本義夫
    • Journal Title

      日本物理学会誌 61

      Pages: 766-766

    • NAID

      110004811659

    • Related Report
      2006 Annual Research Report
  • [Journal Article] f電子系における磁気八極子秩序2006

    • Author(s)
      楠瀬博明, 倉本義夫
    • Journal Title

      固体物理 41

      Pages: 597-597

    • NAID

      40015123235

    • Related Report
      2006 Annual Research Report
  • [Presentation] Skutterudite as a Wonderland of Strong Correlatoin Physics2007

    • Author(s)
      Yoshio Kuramoto
    • Organizer
      International Conference on New Quantum Phenomena in Skutterudite and Related Systems (Skutterudite2007)
    • Place of Presentation
      神戸大学 六甲台キャンパス
    • Year and Date
      2007-09-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] Consequence of Spatial Symmetry on 31P NMR Spectra in PrFe4P12 with Scalar Order2007

    • Author(s)
      Annamaria Kiss
    • Organizer
      International Conference on New Quantum Phenomena in Skutterudite and Related Systems (Skutterudite2007)
    • Place of Presentation
      神戸大学 六甲台キャンパス
    • Year and Date
      2007-09-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] DMFT Band Calculation for Ce-compounds with AuCu3-type Structure2007

    • Author(s)
      Osamu Sakai
    • Organizer
      International Conference on New Quantum Phenomena in Skutterudite and Related Systems (Skutterudite2007)
    • Place of Presentation
      神戸大学 六甲台キャンパス
    • Year and Date
      2007-09-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] Extension of dynamical mean-field theory : Inclusion of spatial fluctuations2007

    • Author(s)
      Hiroaki Kusunose
    • Organizer
      International Conference on New Quantum Phenomena in Skutterudite and Related Systems (Skutterudite2007)
    • Place of Presentation
      神戸大学 六甲台キャンパス
    • Year and Date
      2007-09-28
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2018-03-28  

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