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Metamagnetism of Cerium Compounds

Research Project

Project/Area Number 01540263
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 固体物性
Research InstitutionUniversity of Tsukuba

Principal Investigator

UEDA Kazuo  University of Tsukuba, Inst. of Materials Science Associate Prof., 物質工学系, 助教授 (70114395)

Co-Investigator(Kenkyū-buntansha) ONUKI Yoshichika  University of Tsukuba, Inst. of Materials Science Associate Prof., 物質工学係, 助教授 (40118659)
Project Period (FY) 1989 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1990: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1989: ¥1,200,000 (Direct Cost: ¥1,200,000)
KeywordsKondo Effect / Heavy Electron System / RKKY Interaction / Metamagnetism / de Haas-van Alphen Effect / Fermi Surface / Periodic Anderson Model / Kondo Lattice / セリウム化合物 / ヘビ-フェルミオン / ドハ-ス・ファンアルフェン効果 / 磁気抵抗
Research Abstract

Some of the heavy electron compounds show a metamagnetic behavior. In heavy electron states magnetic moments of f-electrons are quenched. We expect that the process where the quenched magnetic moments revive as the external field is increased leads to the metamagnetism. The purpose of the present project is to study this phenomena in cerium compounds both from experimental and theoretical points of view.
Experimentally we have studied the metamagnetism by magnetization, magnetoresistance, and de Haas van Alphen effect. We have succeeded to make good single crystals of CeCu_2. One of the characteristic features of the metamagnetism of this material is that the metamagnetic behavior occurs when the magnetic field is applied along the easy axis at around 20 kOe. The metamagnetic behavior is also observed as a sharp drop in the magnetoresistance. Fermi surfaces of antiferromagnetic Kondo materials, CeB_6, CeCu_2, CeIn_3 are determined by the dHvA experiments. Except for the folding effects … More in the antiferromagnetic phase, the Fermi surfaces do not change at the metamagnetic transition.
From theoretical point of view a key question is how the magnetic moments are quenched in the heavy electron state. The fact that the metamagnetism occurs in the field in the easy axis, as observed in CeCu_2, supports the idea that the metamagnetism originates from a many body quenching of the magnetic moments rather than a crystalline field effect (spin flip process). To address the question, we have studied the one-dimensional periodic Anderson model and the one-dimensional Kondo lattice by the exact numerical diagonalization. Here we summarize the results for the Kondo lattice. Nature of the ground state changes as a function of density of conduction electrons : it changes from a ferromagnetic state at low density to a singlet with strong antiferromagnetic correlations at the half-filling. It has become clear that main mechanism which quenches the f-spins is mutual antiferromagnetic correlations rather that the Kondo screening. Less

Report

(3 results)
  • 1990 Annual Research Report   Final Research Report Summary
  • 1989 Annual Research Report
  • Research Products

    (64 results)

All Other

All Publications (64 results)

  • [Publications] K.Ueda: "Numerical Diagonalization of the Periodic Anderson Model ーGround State and Magnetization processー" J.Phys.Soc.Jpn.58. 3465-3468 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Ueda and K.Yamamoto: "Ground State of the Kondo Lattice" Physica B. 165&166. 397-398 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Yamamoto and K.Ueda: "Ground State and Magnetization Process of the OneーDimensional Kondo Lattice" J.Phys.Soc.Jpn.59. 3284-3288 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Ueda,K.Yamoto and R.Konno: "Magnetization process in heavy fermion system" J.Magn.Magn.Mater.90&91. 419-421 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 上田 和夫: "重い電子系の基底状態" 固体物理. 26. 101-107 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] R.Konno: "Theory of Magnetization Process in CeRu_2Si_2" (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Onuki,T.Komatsubara,P.H.P.Reinders,M.Springford: "de Haasーvan Alphen Effect in CeB_6" Physica B. 163. 100-102 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Onuki,Y.Kurosawa,I.Umehara,K.Satoh,K.Maezawa,Y.Kato,Y.Isikawa,K.Sato: "Magnetoresistance and de Haasーvan Alphen Effect in LaNi and CeNi" Physica B. 163. 172-174 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Onuki,A.Fukada,I.Ukon,I.Umehara,K.Satoh,Y.Kurosawa: "Metamagnetic Behavior in the Kondo Lattice Substance CeCu_2" Physica B. 163. 600-602 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Satoh,I.Umehara,A.Fukada,Y.Kurosawa,Y.Onuki: "de Haasーvan Alphen Effect in CeCu_2" 165&166. Physica B. 329-330 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I.Umehara,M.Kikuchi,Y.Kurosawa,N.Nagai,K.Satoh,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeIn_3" Physica B. 165&166. 331-332 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Onuki,I.Umehara,Y.Kurosawa,N.Nagai,M.Kikuchi,K.Satoh: "Fermi Surface in CeSn_3" Physica B. 165&166. 333-334 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Kurosawa,I.Umehara,M.Kikuchi,N.Nagai,K.Satoh,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeIn_3" J.Phys.Soc.Jpn.59. 1545-1548 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I.Umehara,Y.Kurosawa,N.Nagai,M.Kikuchi,K.Satoh, Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in CeSn_3" J.Phys.Soc.Jpn.59. 2848-2855 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Onuki,Y.Kurosawa,N.Umehara,N.Nagai,K.Satoh: "Metamagnetic behavior in CeCu_2" J.Magn.Magn.Mater.90&91. 91-93 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Onuki,I.Umehara,N.Nagai,Y.Kurosawa,K.Satoh: "de Haasーvan Alphen Effect in the Antiferromagnetic Substance NdCu_6" J.Phys.Soc.Jpn.60. (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in LaIn_3" J.Phys.Soc.Jpn.60. (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in LaSn_3" J.Phys.Soc.Jpn.60. (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeGa_2" J.Phys.Soc.Jpn.to be submitted.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 大貫 惇睦,長谷川 彰: "重い電子系のフェルミ画" 日本物理学会誌.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Ueda: "Numerical Diagonalization of the Periodic Anderson Model - Ground State and Magnetization Process -" J. Phys. Soc. Jpn.58. 3465-3468 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Ueda and K. Yamamoto: "Ground State of the Kondo Lattice" Physica. 165&166. 397-398 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Yamamoto and K. Ueda: "Ground State and Magnetization Process of the One-Dimensional Kondo Lattice" J. Phys. Soc. Jpn.59. 3284-3288 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Ueda, K. Yamamoto and R. Konno: "Magnetization process in heavy fermion system" J. Magn. Magn. Mater.90&91. 419-421 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] R. Konno: "Theory of magnetization process in CeRu_2Si_2" (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, T. Komatsubara, P. H. P. Reindres, M. Springford: "de Haas-van Alphen Effect in CeB_6" Physica. B163. 100-102 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, Y. Kurosawa, I. Umehara, K. Satoh, K. Maezawa, Y. Kato, Y. Isikawa: "Magnetoresistance and de Haas-van Alphen Effect in LaNi and CeNi" Physica. B163. 172-174 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, A. Fukada, I. Ukon I. Umehara, K. Satoh, Y. Kurosawa: "Metamagnetic Behavior in the Kondo Lattice Substance CeCu_2" Physica. B163. 600-602 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Satoh, I. Umehara, A. Fukada, Y. Kurosawa, Y. Onuki: "de Haas-van Alphen Effect in CeCu_2" Physica. B165&166. 329-330 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I. Umehara, M. Kikuchi, Y. Kurosawa, N. Nagai, K. Satoh, Y. Onuki: "Magnetoresistance and de Haas-van Alphen Effect in CeIN_3" Physica. B165&166. 331-332 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, I. Umehara, Y. Kurosawa, N. Nagai, M. Kikuchi, K. Satoh: "Fermi Surface in CeSn_3" Physica. B165&166. 333-334 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Kurosawa, I. Umehara, M. Kikuchi, N. Nagai, K. Satoh, Y. Onuki: "Magnetoresistance and de Haas-van Alphen Effect in CeIn_3" J. Phys. Soc. Jpn.B59. 1545-1548 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I. Umehara, Y. Kurosawa, N. Nagai, M. Kikuchi, M. Satoh, Y. Onuki: "Magnetoresistance and de Haas-van Alphen Effect in CeSn_3" J. Phys. Soc. Jpn.B59. 2848-2855 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, Y. Kurosawa, I. Umehara, N. Nagai, K. Satoh: "Metamagnetism and Fermi surface of NdCu_6" J. Magn. Magn. Mater.90&91. 91-93 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Onuki, I. Umehara, N. Nagai, Y. Kurosawa, K. Satoh: "de Haas-van Alphen Effect in the Antiferromagnetic Substance NdCu_6" J. Phys. Soc. Jpn.60. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I. Umehara, N. Nagai and Y. Onuki: "High Field Magnetoresistance and de Haas-van Alphen Effect in LaIn_3" J. Phys. Soc. Jpn.60. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I. Umehara, N. Nagai and Y. Onuki: "High Field Magnetoresistance and de Haas-van Alphen Effect in LaSn_3" J. Phys. Soc. Jpn.60. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] I. Umehara, N. Nagai and Y. Onuki: "Magnetoresistance and de Hass-van Alphen Effect in CeGa_2" J. Phy. Soc. Jpn.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Ueda: "Numerical Diagonalization of the Periodic Anderson ModelーGround State and Magnetization Processー" J.Phys.Soc.Jpn.58. 3465-3468 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Ueda and K.Yamamoto: "Ground State of the Kondo Lattice" Physica B. 165&166. 397-398 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Yamamoto and K.Ueda: "Ground State and Magnetization Process of the OneーDimensional Kondo Lattice" J.Phys.Soc.Jpn.59. 3284-3288 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Ueda,K.Yamamoto and R.Konno: "Magnetization process in heavy fermion system" J.Magn.Magn.Mater.90&91. 419-421 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 上田 和夫: "重い電子系の基底状態" 固体物理. 26. 101-107 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] R.Konno: "Theory of Magnetization Process in CeRu_2 Si_2" Preprint. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Onuki,T.Komatsubara,P.H.P.Reinders,M.Springford: "de Haasーvan Alphen Effect in CeB_6" Physica B. 163. 100-102 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Onuki,Y.Kurosawa,I.Umehara,K.Satoh,K.Maezawa,Y.Kato,Y.Isikawa,K.Sato: "Magnetoresistance and de Haasーvan Alphen Effect in Lani and CeNi" Physica B. 163. 172-174 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Onuki,A.Fukada,I.Ukon,I.Umehara,K.Satoh,Y.Kurosawa: "Metamagnetic Behavior in the Kondo Lattice Substance CeCu_2" Physica B. 163. 600-602 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Satoh,I.Umehara,A.Fukada,Y.Kurosawa,Y.Onuki: "de Haasーvan Alphen Effect in CeCu_2" Physica B. 165&166. 329-330 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] I.Umehara,M.Kikuchi,Y.Kurosawa,N.Nagai,K.Satoh,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeIn_3" Physica B. 165&166. 331-332 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Onuki,I.Umehara,Y.Kurosawa,N.Nagai,M.Kikuchi,K.Satoh: "Fermi Surface in CeSn_3" Physica B. 165&166. 333-334 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Kurosawa,I.Umehara,M.Kikuchi,N.Nagai,K.Satoh,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeIn_3" J.Phys.Soc.Jpn.59. 1545-1548 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] I.Umehara,Y.Kurosawa,N.Nagai,M.Kikuchi,K.Satoh,Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in CeSn_3" J.Phys.Soc.Jpn.59. 2848-2855 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Onuki,Y.Kurosawa,N.Umehara,N.Nagai,K.Satoh: "Metamagnetic behavior in CeCu_2" J.Magn.Magn.Mater.90&91. 91-93 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Onuki,I.Umehara,N.Nagai,Y.Kurosawa,K.Satoh: "de Haasーvan Alphen Effect in the Antiferromagnetic Substance NdCu_6" J.Phys.Soc.Jpn.60. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in LaIn_3" J.Phys.Soc.Jpn.60. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "High Field Magnetoresistance and de Haasーvan Alphen Effect in LaSn_3" J.Phys.Soc.Jpn.60. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] I.Umehara,N.Nagai,Y.Onuki: "Magnetoresistance and de Haasーvan Alphen Effect in CeGa_2" J.Phys.Soc.Jpn.to be submitted.

    • Related Report
      1990 Annual Research Report
  • [Publications] 大貫 惇睦 長谷川 彰: "重い電子系のフェルミ面" 日本物理学会誌.

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Ueda: "Numerical Diagonalization of the Periodic Anderson Model-Ground State and Magnetization Process" J.Phys.Soc.Jpn.58. 3465-3468 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Ueda et al.: "Magnetization Process in Heavy Fermion Systems" J.Magn.Magn.Mater.

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Yamamoto et al.: "Ground State and Magnetization Process of the One-Dimensional Kondo Lattice" J.Phys.Soc.Jpn.

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Ueda et al.: "Ground State of the Kondo Lattice" Physica B.

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Satoh et al.: "Metamagnetic Behavior in Cecu_2" J.Magn.Magn.Mater.

    • Related Report
      1989 Annual Research Report
  • [Publications] Y.Onuki et al.: "Metamagnetism and Fermi Surface of NdCu_6" J.Magn.Magn.Mater.

    • Related Report
      1989 Annual Research Report

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Published: 1989-04-01   Modified: 2016-04-21  

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