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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