Nonlinear paramagnetic magnetization in the mixed state of CeCoIn5

被引：0
|
作者：
Xiao, H. [1 ]
Hu, T. [1 ]
Sayles, T. A. [2 ,3 ]
Maple, M. B. [2 ,3 ]
Almasan, C. C. [1 ]
机构：
[1] Kent State Univ, Dept Phys, Kent, OH 44242 USA
[2] Univ Calif San Diego, Dept Phys, La Jolla, CA 92903 USA
[3] Univ Calif San Diego, Inst Pure & Appl Phys Sci, La Jolla, CA 92903 USA
来源：
PHYSICA B-CONDENSED MATTER | 2008年 / 403卷 / 5-9期
基金：
美国国家科学基金会;
关键词：
torque; magnetization; paramagnetism;
D O I：
10.1016/j.physb.2007.10.254
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Torque and magnetization measurements in magnetic fields H up to 14 T were performed on CeCoIn5 single crystals. The amplitude of the paramagnetic torque shows an H-2.3 dependence in the mixed state and art H-2 dependence in the normal state. In addition, the mixed-state magnetizations for both H parallel to c and H parallel to ab axes show anomalous behavior after the subtraction of the corresponding paramagnetic contributions as linear extrapolations of the normal-state magnetization. These experimental results point towards a nonlinear paramagnetic magnetization in the mixed state of CeCoIn5, which is a result of the fact that both orbital and Pauli limiting effects dominate in the mixed state. Published by Elsevier B.V.
引用
收藏
页码：952 / 954
页数：3
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