MAGNETIZATION AND SPECIFIC-HEAT OF THE NEW HEAVY-FERMION COMPOUND CECU5AU

被引:3
作者
VONLOHNEYSEN, H [1 ]
PASCHKE, C [1 ]
PORTISCH, G [1 ]
RUCK, M [1 ]
SCHLAGER, HG [1 ]
SIECK, M [1 ]
SPECK, C [1 ]
机构
[1] UNIV KARLSRUHE,INST ANORGAN CHEM,D-76128 KARLSRUHE,GERMANY
来源
PHYSICA B | 1994年 / 199卷
关键词
D O I
10.1016/0921-4526(94)91743-4
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
CeCu5Au is a stoichiometric compound derived from CeCu6 by replacing the Cu(2) sites by Au. It orders antiferromagnetically at T(N) almost-equal-to 2.2 K. The (B, T) phase diagram of this compound for magnetic field parallel to the easy c direction reveals several phases, presumably two different antiferromagnetic phases and a spin-flop phase. The low-T specific heat (measured down to 80 mK) indicates that heavy-fermion behavior prevails in the presence of magnetic ordering.
引用
收藏
页码:85 / 87
页数:3
相关论文
共 7 条
  • [1] DEGRANGES HU, 1975, PHYS LETT A, V55, P38
  • [2] LONG-RANGE MAGNETIC ORDER IN CE(CU1-XAGX)6
    GANGOPADHYAY, AK
    LETTAU, K
    LETTAU, C
    SCHILLING, JS
    SCHUBERTH, E
    FUCHS, W
    ANDRES, K
    DAMENTO, M
    GSCHNEIDNER, KA
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1992, 103 (03) : 267 - 273
  • [3] BICRITICAL AND TETRACRITICAL POINTS IN ANISOTROPIC ANTIFERROMAGNETIC SYSTEMS
    KOSTERLITZ, JM
    NELSON, DR
    FISHER, ME
    [J]. PHYSICAL REVIEW B, 1976, 13 (01) : 412 - 432
  • [4] MAGNETIC AND THERMODYNAMIC PROPERTIES OF CECU6-XAUX FOR 0-LESS-THAN-OR-EQUAL-TO-X-LESS-THAN-OR-EQUAL-TO-2
    MOCK, S
    PASCHKE, C
    SCHRODER, A
    SERENI, J
    SIECK, M
    VONLOHNEYSEN, H
    [J]. PHYSICA B, 1994, 199 : 39 - 41
  • [5] RUCK M, IN PRESS ACTA CRYST
  • [6] MAGNETIC-ORDERING IN CECU6-XAUX SINGLE-CRYSTALS - THERMODYNAMIC AND TRANSPORT-PROPERTIES
    SCHLAGER, HG
    SCHRODER, A
    WELSCH, M
    VONLOHNEYSEN, H
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1993, 90 (3-4) : 181 - 204
  • [7] THERMODYNAMIC CONSIDERATIONS AND THE PHASE-DIAGRAM OF SUPERCONDUCTING UPT3
    YIP, SK
    LI, T
    KUMAR, P
    [J]. PHYSICAL REVIEW B, 1991, 43 (04): : 2742 - 2747