THE MAGNETIC INSTABILITY IN THE HEAVY FERMION COMPOUNDS CE1-XLAXRU2SI2

被引:86
作者
FISHER, RA
MARCENAT, C
PHILLIPS, NE
HAEN, P
LAPIERRE, F
LEJAY, P
FLOUQUET, J
VOIRON, J
机构
[1] UNIV GRENOBLE 1,CTR RECH TRES BASSES TEMP,CNRS,F-38041 GRENOBLE,FRANCE
[2] UNIV GRENOBLE 1,LAB LOUIS NEEL,CNRS,F-38041 GRENOBLE,FRANCE
关键词
D O I
10.1007/BF00681617
中图分类号
O59 [应用物理学];
学科分类号
摘要
The magnetization and the specific heat of Ce1-xLa(x)Ru2Si2 with x less-than-or-equal-to 0.13 are reported with special attention to the effect of magnetic field and the role of lanthanum doping. Evidence is given of differences between the undoped (x = 0) and the solid solution (x not-equal 0) cases. A common feature is the occurrence of well-defined anomalies in the magnetization at the "metamagnetic" field H(M) independently of whether the ground state is one of long-range order or Pauli paramagnetism. For x = 0, the ground state appears to be a Pauli paramagnet for any strength of the magnetic field; quantum fluctuations or deviations from an ideal lattice may prevent the occurrence of a true static magnetic transition.
引用
收藏
页码:49 / 86
页数:38
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  • [1] MAGNETIC CORRELATIONS IN UPT3 AND U1-XTHXPT3
    AEPPLI, G
    BUCHER, E
    GOLDMAN, AI
    SHIRANE, G
    BROHOLM, C
    KJEMS, JK
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1988, 76-7 : 385 - 390
  • [2] THERMODYNAMIC AND TRANSPORT-PROPERTIES OF CECU6
    AMATO, A
    JACCARD, D
    FLOUQUET, J
    LAPIERRE, F
    THOLENCE, JL
    FISHER, RA
    LACY, SE
    OLSEN, JA
    PHILLIPS, NE
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1987, 68 (5-6) : 371 - 397
  • [3] TRANSPORT-PROPERTIES UNDER MAGNETIC-FIELDS OF THE HEAVY FERMION SYSTEM CERU2SI2 AND RELATED-COMPOUNDS (CE, LA)RU2SI2
    AMATO, A
    JACCARD, D
    SIERRO, J
    HAEN, P
    LEJAY, P
    FLOUQUET, J
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1989, 77 (3-4) : 195 - 208
  • [4] 4F-VIRTUAL-BOUND-STATE FORMATION IN CEAL-3 AT LOW-TEMPERATURES
    ANDRES, K
    GRAEBNER, JE
    OTT, HR
    [J]. PHYSICAL REVIEW LETTERS, 1975, 35 (26) : 1779 - 1782
  • [5] HIGH-FIELD MAGNETIZATION OF SINGLE-CRYSTAL CEAL2
    BARBARA, B
    ROSSIGNOL, MF
    PURWINS, HG
    WALKER, E
    [J]. SOLID STATE COMMUNICATIONS, 1975, 17 (12) : 1525 - 1527
  • [6] ONSET OF MAGNETIC CORRELATIONS IN CEAL3 BELOW 2-K
    BARTH, S
    OTT, HR
    GYGAX, FN
    HITTI, B
    LIPPELT, E
    SCHENCK, A
    BAINES, C
    VANDENBRANDT, B
    KONTER, T
    MANGO, S
    [J]. PHYSICAL REVIEW LETTERS, 1987, 59 (26) : 2991 - 2994
  • [7] EVIDENCE OF FRUSTRATED MAGNETISM IN CEAL3 FROM MUON-SPIN-ROTATION SPECTROSCOPY
    BARTH, S
    OTT, HR
    GYGAX, FN
    HITTI, B
    LIPPELT, E
    SCHENCK, A
    BAINES, C
    [J]. PHYSICAL REVIEW B, 1989, 39 (16): : 11695 - 11704
  • [8] BEHNIA K, COMMUNICATION
  • [9] LOW-TEMPERATURE HEAT-CAPACITY, MAGNETIZATION, RESISTIVITY OF CERU2SI2, WITH Y OR LA SUBSTITUTION
    BESNUS, MJ
    KAPPLER, JP
    LEHMANN, P
    MEYER, A
    [J]. SOLID STATE COMMUNICATIONS, 1985, 55 (09) : 779 - 782
  • [10] HEAT-CAPACITY STUDY OF THE (LA-CE)RU2SI2 AND (CE-Y)RU2SI2 KONDO SYSTEMS
    BESNUS, MJ
    LEHMANN, P
    MEYER, A
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1987, 63-4 : 323 - 325