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
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