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Electronic structures of the systems with orbital degeneracy

Research Project

Project/Area Number 11220203
Research Category

Grant-in-Aid for Scientific Research on Priority Areas (B)

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

Principal Investigator

AOKI Haruyoshi  Tohoku University, Center for Low Temperature Science, Professor, 極低温科学センター, 教授 (60302246)

Co-Investigator(Kenkyū-buntansha) TAKAGI Shigeru  Tohoku University, Department of Physics, Associate Professor, 大学院・理学研究科, 助教授 (20154750)
TAKAHASHI Takashi  Tohoku University, Department of Physics, Professor, 大学院・理学研究科, 教授 (00142919)
KUNIJI Satoru  Tohoku University, Department of Physics, Professor, 大学院・理学研究科, 教授 (10004368)
NAKAMURA Shintaro  Tohoku University, Center for Low Temperature Science, Assistant Professor, 極低温科学センター, 助手 (20292310)
OCHIAI Akira  Tohoku University, Center for Low Temperature Soience, Associate Professor, 極低温科学センター, 助教授 (90183772)
木村 憲彰  東北大学, 極低温科学センター, 助手 (30292311)
Project Period (FY) 1999 – 2001
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥92,000,000 (Direct Cost: ¥92,000,000)
Fiscal Year 2001: ¥10,400,000 (Direct Cost: ¥10,400,000)
Fiscal Year 2000: ¥41,900,000 (Direct Cost: ¥41,900,000)
Fiscal Year 1999: ¥39,700,000 (Direct Cost: ¥39,700,000)
KeywordsORBITAL DEGENERACY / ELECTRONIC STRUCTURE / QUADRUPOLE MOMENT / FERROMAGNETISM / SUPERCONDUCTIVITY / 軌道秩序 / 高温強磁性 / 四重極転移 / CaB_6 / BeB_6 / RB_2C_2 / CeB_6 / Ca_<1-x>La_xB_6 / DyB_2C_2 / Ce_3Pd_<20>Ge_6 / TmTe
Research Abstract

We have grown high quality samples of the systems where the orbital degrees of freedom play important roles and have revealed their electronic structures. The samples were also supplied to the other research groups of the present project to perform the research using various methods.
1. We have revealed characteristic electronic structures of high Tc compound MgB_2 and its related compound AlB_2 using photoemission spectroscopy and soft X-ray emission and absorption spectroscopy.
2. We have studied the anomalous magnetic properties and electronic structures of high-temperature weak ferromagnet CaB_6 employing various methods such as magnetic measurements, ESR, photo emission spectroscopy, SdH effect. Most of the experimental results previously reported have been found to be incorrect. We have also performed a detailed analysis of magnetic impurities, but could not clarified whether or not the weak ferromagnetism is intrinsic.
3. We have revealed anomalous changes of the magnetic phase diagrams and electronic structures with hydrostatic and uniaxial pressures for the systems with quadrupolar order, CeB_6, PrPb_3 and Ce_3Pd_<20>Ge_6.
4. We have revealed the electronic structures of the conduction electrons and magnetic interactions among magnetic ions by SdH effect and NMR measurements for the compounds like Yb_4As_3 and their alloys where the charge order transition takes place at high temperatures.
5. We have revealed anomalous magnetic properties and electronic structures of the U compounds like Upd_3 and U_3Pd_<20>Si_6 whose 5f electrons show localized nature.
6. We have also performed extensive studies on other important systems such as RB_2C_2, RB_6, TmTe, rare earth chalcogenides, rare earth pnictides and uranium compounds.

Report

(4 results)
  • 2002 Final Research Report Summary
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • 1999 Annual Research Report
  • Research Products

    (139 results)

All Other

All Publications (139 results)

  • [Publications] T.Takahashi, et al.: "High-resolution photoemission study of MgB_2"Phys. Rev. Lett.. 86. 4915-4917 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] U.Staub, (6authors), A.Ochiai: "Direct observation of 1-dimensinal charge order below the first-order "metal-insulator" Transition in Yb_4As_3"Europhys. Lett.. 53. 72-78 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Nakao, (6authors), S.Kunii: "Antiferro-Quadrupole Ordering of CeB_6 Studied by Resonant X-Ray Scattering"J. Phys. Soc. Jpn.. 70. 1857-1860 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Koike, (authors), H.Aoki: "Magnetic Structure, Phase diagram, and a New Type of Spin Flop Transition Dominated by Many-Body Exchange Interaction in a Localized 4f System U_3Pd_<20>Si_6"Phys. Rev. Lett.. 89. 77202-1-77202-4 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Matsumura, et al.: "Observation of the antiferroquadnipolar order in DyB_2C_2 by resonant x-ray scattering"Phys. Rev. B. 65. 094420-1-094420-11 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] A.Schenck, F.N.Gygax, S.Kunii: "Field-Induced Magnetization Distribution and Antifferroquadrupolar Order in CeB_6"Phys. Rev. Letters. 89. 037201-1-037201-4 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Takahashi, et al.: "High-resolution photoemission study of MgB_2"Phys. Rev. Lett.. 86. 4915-4917 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] U. Staub, 6 authours., and A. Ochiail: "Direct observation of 1-dimensinal charge order below the first-order "metal-insulator" Transition in Yb_4As_3"Europhys. Lett.. 53. 72-78 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Nakao, (6 authors), and S. Kunii: "Antiferro-Quadrupole Ordering of CeB_6 Studied By Resonant X-ray Scattering"J. Phys. Soc. Jpn.. 70. 1857-1860 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Koike, 8 authiors, and H. Aoki: "Magnetic Structure, Phase diagram, and a New Type of Spin Flop Transition Dominated by Many-Body Exchange Interaction in a Localized 5f System U_3Pd_<20>Si_6"Phys. Rev. Lett.. 89. 77202-1-4 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Matsumura, et al.: "Observation of the antiferroquadrupolar order in DyB_2C_2 by resonant x-ray scattering"Phys. Rev. B. 65. 094420-1-11 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] A. Schenck, F.H. Gygax, and S. Kuniil: "Field-Induced Magnetization Distribution and Antifferoquadrupolar Order in CeB_6"Phys. Rev. Lett.. 89. 037201-1-4 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Sera, et al.: "Anomalous Temperature Dependence of the Magnetic Field Induced Antiferrornagnetic Moment in the Antiferroquadrupolar Ordered State of CeB_6"Phys. Rev. Lett.. 86. 1578-1581 (2001)

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      2001 Annual Research Report
  • [Publications] M.Magnuson, et al.: "Electronic-structure investigation of CeB_6 by means of soft-x-ray scattering"Phys. Rev. B. 63. 75101-75105 (2001)

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      2001 Annual Research Report
  • [Publications] S.Kobayashi, et al.: "Anisotropic Magnetic Phase Diagram of PrB_6 Dominated by the O_<xy> Antiferro-Quadrupolar Interaction"J. Phys. Soc. Jpn.. 70. 1721-1730 (2001)

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      2001 Annual Research Report
  • [Publications] H.Nakao, et al.: "Antiferro-Quadrupole ordering of CeB_6 Studied by Resonant X-Ray Scattering"J. Phys. Soc. Jpn.. 70. 1857-1860 (2001)

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      2001 Annual Research Report
  • [Publications] S.A.Granovsky, et al.: "Magnetic and magneto-elastic properties of a single crystal of TbB_6"J. Phys. : Condens. Matter. 13. 6307-6321 (2001)

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      2001 Annual Research Report
  • [Publications] N.E.Sluchanko, et al.: "Low-temperature transport anisotropy and many-body effects in SmB_6"Phys. Rev. B. 64. 153103-153106 (2001)

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      2001 Annual Research Report
  • [Publications] F.Yakhou, et al.: "k=2π/a[1/2 1/2 1/2] zero-field ordering in the intermediate phase of CeB6 observed by X-ray scattering : what orders?"Phys. Lett. A. 485. 191-196 (2001)

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      2001 Annual Research Report
  • [Publications] S.Hane, et al.: "Magnetic phase diagram of Ce_<0.5>La_<0.5>B_6 under high pressure"J. Magn. Magn. Mater.. 226-230. 98-100 (2001)

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      2001 Annual Research Report
  • [Publications] S.Tsutsui, et al.: "^<238>U Mossbauer Study of UPt_3"J. Magn. Magn. Mater.. 226-230. 87-88 (2001)

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      2001 Annual Research Report
  • [Publications] N.Kimura, et al.: "Fermi Surface Change with Antiferro-Quadrupolarn Ordering DyB_2C_2"J. Mag. Magn. Mater.. 226. 1190-1192 (2001)

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      2001 Annual Research Report
  • [Publications] T.Yamamizu, et al.: "DHvA Effect of R(R=La, Ce)_3Pd_<20>Ge_6 under Uniaxial Compression"J. Mag. Magn. Mater.. 226-230. 155-157 (2001)

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      2001 Annual Research Report
  • [Publications] N.Tateiwa, et al.: "Neutron Scattering Study on the Crystal Structure, Magnetic Ordering, and Crystalline Electric Field Excitations in an Uranium Metallic Compound U_3Pd_<20>Si_6"J. Phys. Soc. Jpn.. 70. 2425-2436 (2001)

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      2001 Annual Research Report
  • [Publications] U.Staub, et al.: "Direct observation of 1-dimensinal charge order below the first-order "metal-insulator" transition in Yb_4As_3"Europhys. Lett.. 53. 72-78 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Kohgi, et al.: "Staggered field effect on the one-dimensional S=1/2 antiferromagnet Yb_4As_3"Phys. Rev. Lett.. 86. 2439-2442 (2001)

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      2001 Annual Research Report
  • [Publications] N.Nakayama, et al.: "Fermi Sirface of CeTe"J. Mag. Mang. Mater.. 226. 208-210 (2001)

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      2001 Annual Research Report
  • [Publications] K.Iwasa, et al.: "Polarized-neutron study of one-dimensional magnetic response under magnetic field in the charge-ordered phase of Yb_4As_3"J. Mag. Mang. Mater.. 226. 441-443 (2001)

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      2001 Annual Research Report
  • [Publications] P.Gegenwart, et al.: "Low-temperature resistivity and susceptibility of the low-carrier density, one-dimensional S=1/2 antiferromagnet Yb_4As_3"J. Mag. Mang. Mater.. 226. 630-632 (2001)

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      2001 Annual Research Report
  • [Publications] B.Schmidt, et al.: "Low-energy excitations of the semimetallic one-dimensional S=1/2 antiferromagnet Yb_4As_3"Physica B. 300. 121-138 (2001)

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      2001 Annual Research Report
  • [Publications] S.kimura, et al.: "Temperature dependence of low-energy optical conductivity of Yb_4(As_<1-x>P_x)_3 (x0, 0.05, 0.15)"J. Phys. Soc. Jpn.. 70. 2829-2832 (2001)

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      2001 Annual Research Report
  • [Publications] T.Ito, et al.: "Electronic structure and Fermi surface of UC studied by high-resolution angle-resolved photoemission spectroscopy"J. Mag. Mag. Mater.. 226-230. 40-41 (2001)

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      2001 Annual Research Report
  • [Publications] T.Ito, et al.: "High-resolution angle-resolved photoemission sturdy of UN and USb, Dual character of 5f electrons"J. Mag. Mag. Mater.. 226-230. 68-69 (2001)

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      2001 Annual Research Report
  • [Publications] T.Takahashi: "High-resolution photoemission study of strongly correlated f electron systems"J. Electron Spectroscopy and Related Phenonema. 117-118. 311-312 (2001)

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      2001 Annual Research Report
  • [Publications] S.Souma, et al.: "Crystal-field splitting in CeB_6 observed by ultrahigh-resolution photoemission spectroscopy"J. Electron Spectroscopy and Related Phenonema. 117-118. 729-734 (2001)

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      2001 Annual Research Report
  • [Publications] S.Souma, et al.: "Ultrahigh-resolution photoemission study of CePd_3, absence of Kondo-insulator gap"J. Electron Spectroscopy and Related Phenonema. 117-118. 735-740 (2001)

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      2001 Annual Research Report
  • [Publications] M.Magnuson, et al.: "Electronic-structure investigation of CeB_6 by means of soft-x-ray scattering"Phys. Rev. B. 63. 75101 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Takhashi, et al.: "High-resolution photoemission study of MgB_2"Phys. Rev. Lett.. 86. 4915-4917 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Kumigasira, et al.: "Hybridized Nature of Pseudogap in Kondo Insulators CeRhSb and CeRhAs"Phys. Rev. Lett.. 87. 67206 (2001)

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      2001 Annual Research Report
  • [Publications] A.Donni, et al.: "The Cubic to Trigonal Phase Transition in HoB_6 Measured on the New Powder Neutron Diffractometer HRPT at SINQ"J. Phys. Soc. Jpn.. 70. 448-450 (2001)

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      2001 Annual Research Report
  • [Publications] 松村 武: "共鳴X線散乱によるDyB2C2における反強的四重極子秩序の観測"放射光. 15. 3-11 (2002)

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      2001 Annual Research Report
  • [Publications] T.Ito, et al.: "Ultrahigh-resolution angle-resolved photoemission spectroscopy of UPd_3"Pysica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] H.Kumigashira, et al.: "Resonant angle-resolved photoemission study of heavy fermion material CeRu_2Si_2"Pysica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] S.Souma, et al.: "Direct observation of pseudo-gap of SmB_6 ising ultrahigh-resolution photoemission spectroscopy"Pysica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] S.Souma, et al.: "Effect of pressure on the antiferro-quadrupolar transition of CeB_6"J. Phys. Soc. Jpn.. (印刷中).

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      2001 Annual Research Report
  • [Publications] T.Takahashi, et al.: "Angle-resolved photoemission study of novel boride compounds"J. Phys. Soc. Jpn.. (印刷中).

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      2001 Annual Research Report
  • [Publications] A.Chainani, et al.: "Electronic structure of black SmS : I 4d-4f resonance and angle-ontegrated valence-band photoemission spectoscopy"Phys. Rev. B. (印刷中).

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      2001 Annual Research Report
  • [Publications] T.Ito, et al.: "Electronic structure of black SmS : II Angle-resolved photoemission spectroscopy"Phys. Rev. B. (印刷中).

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      2001 Annual Research Report
  • [Publications] T.Ito, et al.: "Ultrahigh-resolution photoemission spectroscopy on UGe_2"J. Phys. Soc. Jpn.. (印刷中).

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      2001 Annual Research Report
  • [Publications] Y.Nemoto, et al.: "Low-temperature behavior of the elastic constant C44 in CexLa1-xB_6"Physica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] S.Nakamura, et al.: "Anisotropy in the magnetic phase diagrams of CexLa1-xB_6"J. Phys. Soc. Jpn.. (印刷中).

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      2001 Annual Research Report
  • [Publications] M.Akatsu, et al.: "Thermal expansion measurements on Ce0.75La0.25B_6"J. Phys. Soc. Jpn.. (印刷中).

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      2001 Annual Research Report
  • [Publications] T.Yamamizu, et al.: "Magnetic Phase Diagram of Ce_3Pd_<20>Ge_6 under Uniaxal Pressure"Physica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] N.Tateiwa, et al.: "Neutron Scattering Experiment on U_3Pd_<20>Si_6 II : Crystalline Electric Field and Spin Wave Excitations and Magnetic Structures"Physica B. (印刷中).

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      2001 Annual Research Report
  • [Publications] T.Iwasaki, et al.: "Bulk and surface electronic structures of CePdX (X=As, Sb) studied by 3d-4f resonance photoemission"Phys.Rev.B. 61. 4621-4628 (2000)

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  • [Publications] Y.Nemoto, et al.: "Ultrasonic study of the charge fluctuation compound Sm_3Te_4"Phys.Rev.B. 61. 12050-12058 (2000)

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      2000 Annual Research Report
  • [Publications] H.Kumigashira, et al.: "High-resolution angle-resolved photoemission study of USb : Dual caharacter of 5f electrons"Phys.Rev.B. 61. 15707-15713 (2000)

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      2000 Annual Research Report
  • [Publications] Y.Nemoto, et al.: "Charge fluctuation in Sm_3Te_4"Physica B. 281&282. 136-138 (2000)

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      2000 Annual Research Report
  • [Publications] S.Suga, et al.: "Electronic states of Sm_4As_3 and Sm_4Bi_3 studied with photoemission spectroscopy"Physica B. 281&282. 158-160 (2000)

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      2000 Annual Research Report
  • [Publications] M.Lang, et al.: "Evidence for magnons and solitons in the one-dimensional S=1/2 antiferromagnet Yb_4As_3"Physica B. 281&282. 458-459 (2000)

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      2000 Annual Research Report
  • [Publications] S.Takagi, et al.: "NMR and NQR studies of Yb_4 (As_<1-x>P_x)_3 systems"Physica B. 281&282. 462-464 (2000)

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      2000 Annual Research Report
  • [Publications] H.Aoki, et al.: "Mgnetic anisotropy in Yb_4As_3 with one-dimensional Yb^<3+> chains"Physica B. 281&282. 465-467 (2000)

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      2000 Annual Research Report
  • [Publications] P.A.Alekseev, et al.: "Neutron Scattering study of the magnetic excitation spectra in mixed-valence ^<154>Sm_3Te_4"J.Phys. : Condens.Matter. 12. 2725-2736 (2000)

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      2000 Annual Research Report
  • [Publications] F.Steglich, et al.: "Magnons and solitons excitations in the carrier poor, one-dimensional S=1/2 antiferromagnet Yb_4As_3"Acta Physica Polonica A. 97. 91-100 (2000)

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  • [Publications] O.Sakai, et al.: "Local symmetry and crysatlline field effects in charge-ordered Yb_4As_3"J.Phys.Soc.Jpn.. 69. 3633-3641 (2000)

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      2000 Annual Research Report
  • [Publications] U.Staub, et al.: "Direct observation of 1-dimensinal charge order below the first-order"metalinsulator" transition in Yb_4As_3"Europhys.Lett.. 53. 72-78 (2001)

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      2000 Annual Research Report
  • [Publications] N.Metoki, et al.: "Neutron Scattering Studies on Heavy Fermion Superconductors"Physica B. 280. 362-367 (2000)

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  • [Publications] T.Horino, et al.: "Quadrupolar Effect of R_3Pd_<20>Ge_6 (R=Ce,Pr,Nd)"Physica B. 281&282. 576-578 (2000)

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      2000 Annual Research Report
  • [Publications] D.Maruta, et al.: "Evidence from 29Si NMR of the Importance of the Hybridization between 5f and Conduction Electrons in U_3Pd_<20>Si_6"Physica B. 281&282. 251-253 (2000)

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  • [Publications] J.Kitagawa, et al.: "Third-order magnetic susceptibility and quadrupolar order parameter of Kondo-lattice compound Ce_3Pd_<20>Ge_6"J.Phys.Soc.Jpn.. 69. 883-887 (2000)

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  • [Publications] J.M.Mignot, et al.: "Neutron diffraction study of quadrupolar and magnetic order in TmTe"Physica B. 281&282. 470-476 (2000)

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  • [Publications] P.Link, et al.: "Antiferromagnetism and quadrupolar order in TmTe : a low-temperature neutron-diffraction study"Physica B. 281&282. 569-570 (2000)

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  • [Publications] T.Tomita, et al.: "Antiferro-quadrupolar ordering in TmTe under high magnetic fields and high pressures"Physica B. 281&282. 574-575 (2000)

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  • [Publications] M.Nakayama, et al.: "Crystal Field Effect in R_3Pd_<20>Ge_6 (R=Pr and Nd)"Physica B. 281&282. 152-154 (2000)

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      2000 Annual Research Report
  • [Publications] N.Kimura, et al.: "Fermi Surace Property of UPt_3 Studied by de Hass-van Alphen and Magnetoresistance Experiments"Physica B. 281&282. 710-715 (2000)

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  • [Publications] N.Tateiwa, et al.: "Low Temperature Physical Properties of U_3Pd_<20>Si_6"Physica B. 281&282. 254-255 (2000)

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  • [Publications] N.Tateiwa, et al.: "Transport, Thermal and Magnetic Properties of the New Ternary Compound U_3Pd_<20>Si_6 : Posiibility of a New Localized 5f Electrons System"J.Phys.Soc.Jpn.. 69. 1517-1520 (2000)

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  • [Publications] T.Terashima, et al.: "Ferromagnetism vs Paramagnetism and False Quantum Oscillations in Lanthanum-Doped CaB_6"J.Phys.Soc.Jpn.. 69. 2423-2426 (2000)

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      2000 Annual Research Report
  • [Publications] H.Kumigashira, et al.: "High-resolution angle-resolved photoemission study of USb ; dual character of 5f electrons"Phys.Rev.B. 61. 15707-15713 (2000)

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      2000 Annual Research Report
  • [Publications] H.Kumigashira, et al.: "Pseudogap formation in Kondo insulators CeRhSb and CeRhAs studied by ultrahigh-resolution photoemission spectroscopy"Pysica B. 281&282. 284-285 (2000)

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      2000 Annual Research Report
  • [Publications] M.Magnuson, et al.: "Electronic-structure investigation of CeB_6 by means of soft-x-ray scattering ;"Phys.Rev.B. (印刷中).

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      2000 Annual Research Report
  • [Publications] S.Nakamura, et al.: "Low-temperature specific heat of Ce_xLa_<1-x>B_6"Pysica B. 281&282. 559-560 (2000)

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      2000 Annual Research Report
  • [Publications] T.Goto, et al.: "Quadrupolar effect of HoB_6 and DyB_6"Pysica B. 281&282. 586-587 (2000)

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      2000 Annual Research Report
  • [Publications] S.Nakamura, et al.: "Screening effect on the multipole moments in the Kondo system Ce_xLa_<1-x>B_6"Phy.Rev.B. 61. 15203-15212 (2000)

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      2000 Annual Research Report
  • [Publications] S.Kobayashi, et al.: "Transport Properties in Phase IV of Ce_xLa_<1-x>B_6"J.Phys.Soc.Jpn.. 69. 926-936 (2000)

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      2000 Annual Research Report
  • [Publications] K.Magishi, et al.: "^<11>B NMR in the antiferromagnetic phases of CeB_6"Physica B. 281&282. 548-549 (2000)

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      2000 Annual Research Report
  • [Publications] Y.Uwatoko, et al.: "Effect of pressure on the antiferro-quadrupolar transition of CeB_6"Physica B. 281&282. 555-556 (2000)

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      2000 Annual Research Report
  • [Publications] T.Takikawa, et al.: "Magnetic properties of Ce_<0.75>La_<0.25>B_6 under uniaxial stress"Physica B. 281&282. 561-562 (2000)

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      2000 Annual Research Report
  • [Publications] N.E.Sluchanko, et al.: "The origin of the fast valence fluctuations in SmB_6"Pysica B. 284&288. 1355-1356 (2000)

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      2000 Annual Research Report
  • [Publications] S.Kunii, et al.: "Phonon structure and specific heat analyses of rare-earth hexaborides"J.Solid State Chemistry. 154. 275-279 (2000)

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      2000 Annual Research Report
  • [Publications] H.Onodera, et al.: "^<167>Dy Mossbauer Spectroscopic Study of the Ferroquadrupolar Ordering Compound DyB_6"J.Phys.Soc.Jpn.. 69. 1100-1104 (2000)

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      2000 Annual Research Report
  • [Publications] N.E.Sluchanko, et al.: "Intra-gap states in SmB_6"Phys.Rev.B. 61. 9906-9909 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Nakamura, et al.: "Screening effect on the multipole moments in the Kondo system Ce_xLa_<1-x>B_6"Phys.Rev.B. 61. 15203-15212 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Kobayashi, et al.: "Transport Properties in Phase IV of Ce_xLa_<1-x>B_6"J.Phys.Soc.Jpn.. 69. 926 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Tsuji, et al.: "NMR Study of NdB_6"J.Phys.Soc.Jpn.. 69. 1974 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Kunii: "Surface-layer ferromagnetism and strong surface-anisotropy in Ca_<1-x>La_xB_6 (x=0.005) evidenced by ferromagnetic resonance"J.Phys.Soc.Jpn.. 69. 3789-3791 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] N.E.Sluchanko,et al.: "Nature of the low temperature anomalies in the physical properties of intermediate valence compound SmB_6"Zh.Eksp.Teor.Fiz(JETP). 115. 970-978 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Sakakibara,et al.: "Magnetization Study of the Phase Diagram of Ce_xLa_<1-x>B_6"JJAP Series. 11. 179-181 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Tayama,et al.: "Magnetic Phase Diagram of Ce_xLa_<1-x>B_6 Studied by Magnetization Measurement"Physica B. 259-261. 32-33 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Hiroi,et al.: "Magnetic phase diagrams of Ce_<0.4>La_<0.6>B_6 up to 15 T investigated by specific heat measurements"Physica B. 259-261. 34-35 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Nakamura,et al.: "Magnetic phase diagram and low-temperature properties of Ce_<0.5>La_<0.5>B_6"Physica B. 259-261. 36-37 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Dressel,et al.: "Low-Energy Specroscopy of SmB_6"Physica B. 259-261. 347-348 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Sakai,et al.: "Thermal expansion of the structural phase transition in DyB_6 under high pressure"Physica B. 259-261. 904-906 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Kimura,et al.: "Optical Spectra of RB_x(R=Rare-Earth,x=4,6,12)"J.Electron Spectroscopy and Related Phenomena. 101-103. 761-764 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Awaji,et al.: "Metamagnetic Transition in NbB_6 with a Small Magnetic Anisotropy in Low Magnetic Fields"J.Phys.Soc.Jpn.. 68. 2518-2521 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Dressel,et al.: "Dielectric Response of SmB_6 in the Millimeter Wave Range"Phys.stat.sol.. (b)215. 161-164 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Kunii: "Ferromagnetic Resonance in Ca_<0.995>La_<0.005>B_6"J.Phys.Soc.Jpn.. 68. 3189-3190 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.M.Butorin,et al.: "Resonant inelastic soft-x-ray scattering at the 4d edge of Ce-based heavy-ferion materials"J.Electron Spectroscopy and Related Phenomena. 101-103. 783-786 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Kobayashi,et al.: "Antiferro-Multipolar Short Range Order above the Antiferro-Quadrupolar Ordering Temperature in CeB_6"J.Phys.Soc.Jpn.. 68. 3407-3412 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Kunii,et al.: "Phonon structure and specific heat analysis of rare-earth hexaborides"J.Solid State Chemistry. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] N.E.Sluchanko,et al.: "The origin of the fast valence fluctuations and metal-insulator transition in SmB_6"Zr.Eksp.Teor.Fiz.(JETP). (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] O.Suzuki,et al.: "Ultrasonic study of Kondo compounds Ce_xLa_<1-x>B_6(x=0.60 and 0.75)"Physica B. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Goto,et al.: "Quadrupolar effects of HoB_6 and DyB_6"Physica B. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Takikawa et al.: "Magnetic properties of Ce_<0.75>La_<0.25>B_6 under uniaxial stress"Physica B. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Sekiyama,et al.: "Effect of a crystalline electric field on photoemission spectra of CeB_6"Physica B. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] H.Kumigashira,et al.: "High-resolution angle-resolved photoemission study of RSb (R=La,Ce,U)"Physica B. 259-261. 1124-1125 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Hyeong-Do Kim,et al.: "Surface and bulk 4f photoemission spectra of CeIr_2"Phys.Rev.B. 59. 12294-12297 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Ito.et al.: "High-Resolution Angle-Resolved Photoemission Study of Uru_2Si_2"Jpn.J.Appl.Phys.series. 11. 68-70 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Ito,et al.: "Band structure and Fermi surface of Uru_2Si_2 studied by high-resolutionangle-resolved photoemission spectroscopy"Phys.Rev.B. 60. 13390-13395 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.M.Butorin,et al.: "Resonant inelastic soft-X-ray scattering at the 4d edge of Ce-based heavy-fermion materials"J.Electron Spectroscopy and Related Phenonema. 101-103. 783-786 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] A.Ochiai,et al.: "Relation between low-temperature properties and one dimensional Yb3+chains in Yb_4As_3"JJAP series. 11. 117-119 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Y.Nemoto,et al.: "Ultrasonic study for the charge ordering of Yb_4As_3"JJAP series. 11. 120-122 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] N.Kimura,et al.: "Magnetic properties of R_3Pd_<20>Ge_6(R=Pr and Nd)"Physica B. 259-261. 338-339 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] J.Kitagawa,et al.: "Anisotropic Magnetic Diagram of Ce_3Pd_<20>Ge_6 with Quadrupolar Ordering"Physica B. 259-261. 332-333 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Y.Haga,et al.: "Purification of Uranium Metal and High-Quality Single Crystal Growth"JJAP Series. 11. 269-271 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Kohgi,et al.: "Magnetic excitations in the charge ordered state of Yb_4As_3 and Yb_4(As_<0.6>P_<0.4>)_3"Physica B. 259-261. 269-270 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] A.Ochiai,et al.: "Physical properties of Yb_4As_3 and related compounds"Physica B. 259-261. 277-279 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Miura,et al.: "dHvA effect Study of CeBi in the ferromagnetic and Ferrimagnetic Phases"Physica B. 259-261. 1089-1090 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] C.Terakura,et al.: "Metamagnetic transition and dHvA Effect of U_2Rh_3Si_5"Physica B. 259-261. 1087-1088 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] H.Aoki,et al.: "DHVA effect Study on the Metamagnetic Transitions of Strongly Correlated Electron Systems"Procdeedings of Physical Phenomena at High Magnetic Fields III. 130-135 (1999)

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      1999 Annual Research Report
  • [Publications] T.Terashima,et al.: "Low-field low-temperature magnetotransport studies of CeP"Phys.Rev.B. 60. 15285-15289 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Magishi,et al.: "^<11>B NMR in the antiferromagnetic phases of CeB_6"Physica B. (印刷中). (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Takashita,et al.: "De Haas van-Alphen Effect Study of CeCo_2 under Pressure"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] Tateiwa,et al.: "Low Temperature Physical Properties of U_3Pd_<20>Si_6"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] Tateiwa,et al.: "Transport,Thermal and Magnetic Properties of the New Ternary Compound U_3Pd_<20>Si_6 : Possibility of a New Localized Electron System"J.Phys.Soc.Jpn.. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] D.Maruta,et al.: "Evidence from ^<29>Si NMR of the Importance of the Hybridization between 5f and Conduction Electrons in U_3Pd_<20>Si_6"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Takagi,et al.: "NMR and NQR studies of Yb_4(As_<1-x>P_x)_3 systems"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Horino,et al.: "Quadrupolar Effect of R_3Pd_<20>Ge_6(R=Ce,Pr,Nd)"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Terashima,et al.: "Magnetotran sport Studies of the Low-carrier-density Semimetal CeP"Physica B. (印刷中).

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2018-03-28  

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