Non-Fermi liquid behavior in YbCu2Si2

被引：7
作者：
Tsujii, N. [1 ]
Kitazawa, H. [1 ]
Aoyagi, T. [1 ]
Kimura, T. [1 ]
Kido, G. [1 ]
机构：
[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期
关键词：
electrical resistivity; non-Fermi liquid; valence fluctuation;
D O I：
10.1016/j.jmmm.2006.10.514
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In-plain electrical resistivity of YbCu2Si2 was investigated using a flux-grown single crystal. Despite the well-known mixed-valent character, its resistivity shows non-Fermi liquid behavior with a T-1.4 dependence (T: temperature) between 20 and 1.8 K. This non-Fermi liquid behavior is not affected by magnetic fields up to 8 T. On the other hand, specific heat below 10 K are explained by the conventional Fermi liquid behavior. These data are compared with those of CeCu2Si2 under high pressures. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：349 / 351
页数：3
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