POSSIBLE REALIZATION OF A NON-FERMI-LIQUID GROUND-STATE IN SOME HEAVY-FERMION SYSTEMS

被引:21
作者
ANDRAKA, B
机构
[1] Department of Physics, University of Florida, Gainesville
来源
PHYSICA B | 1994年 / 199卷
关键词
D O I
10.1016/0921-4526(94)91796-5
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We review experimental results for several U- and Ce-based intermetallics displaying non-Fermi-liquid behavior. U0.2Y0.8Pd3, UCu3.5Pd1.5, and Ce0.1La0.9Cu2.2Si2 have C/T proportional to log T and electrical resistivities approximately linear with temperature with negative temperature coefficients. Relatively small modifications of their chemical compositions can result in a spin-glass behavior. UCu4Pd which borders with an antiferromagnetic part of the UCu5-xPdx magnetic phase diagram has both C/T [is-proportional-to T-1/3] and rho even stronger deviating from the Fermi-liquid behavior than the other discussed alloys. Our results imply a magnetic nature of the phenomenon.
引用
收藏
页码:239 / 243
页数:5
相关论文
共 21 条
  • [1] EVIDENCE OF UNUSUAL KONDO EFFECTS IN DILUTE URANIUM-COMPOUNDS UXTH1-XRU2SI2 (X-LESS-THAN-OR-EQUAL-TO-0.07)
    AMITSUKA, H
    HIDANO, T
    HONMA, T
    MITAMURA, H
    SAKAKIBARA, T
    [J]. PHYSICA B-CONDENSED MATTER, 1993, 186-88 : 337 - 340
  • [2] HEAVY-NON-FERMI-LIQUID BEHAVIOR IN U(CU,PD)5
    ANDRAKA, B
    STEWART, GR
    [J]. PHYSICAL REVIEW B, 1993, 47 (06): : 3208 - 3212
  • [3] OBSERVATION OF NON-FERMI-LIQUID BEHAVIOR IN U0.2Y0.8PD3
    ANDRAKA, B
    TSVELIK, AM
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (20) : 2886 - 2889
  • [4] ANDRAKA B, UNPUB
  • [5] ANDRAKA B, IN PRESS PHYS REV B
  • [6] SOLUTION OF THE KONDO PROBLEM
    ANDREI, N
    FURUYA, K
    LOWENSTEIN, JH
    [J]. REVIEWS OF MODERN PHYSICS, 1983, 55 (02) : 331 - 402
  • [7] BEYERMAN W, UNPUB
  • [8] QUADRUPOLAR KONDO EFFECT IN URANIUM HEAVY-ELECTRON MATERIALS
    COX, DL
    [J]. PHYSICAL REVIEW LETTERS, 1987, 59 (11) : 1240 - 1243
  • [9] THE QUADRUPOLAR KONDO EFFECT - A NEW MECHANISM FOR HEAVY ELECTRONS
    COX, DL
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1988, 76-7 : 53 - 58
  • [10] NEW PHASE-DIAGRAM FOR (U,TH)BE13 - A MUON-SPIN-RESONANCE AND HC1 STUDY
    HEFFNER, RH
    SMITH, JL
    WILLIS, JO
    BIRRER, P
    BAINES, C
    GYGAX, FN
    HITTI, B
    LIPPELT, E
    OTT, HR
    SCHENCK, A
    KNETSCH, EA
    MYDOSH, JA
    MACLAUGHLIN, DE
    [J]. PHYSICAL REVIEW LETTERS, 1990, 65 (22) : 2816 - 2819