THERMODYNAMIC PROPERTIES OF AN ANISOTROPIC SUPERCONDUCTOR - NB3S4

被引：10
作者：
OKAMOTO, H
ISHIHARA, Y
机构：
[1] Department of Physics, Faculty of Science, Kanazawa University
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.48.3927
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetization and the specific heat of Nb3S4 were measured near the transition temperature. The thermodynamic quantities were obtained from these results through the thermodynamic relations. The thermodynamic critical field and the specific-heat behavior are explained by the weak-coupling BCS theory included the effects of energy-gap anisotropy. On the basis of the theory, we have estimated the mean-squared anisotropy [a2] = 0.07 and the averaged energy gap 2epsilon0(0)/(k(B)T(c))=3.16.
引用
收藏
页码：3927 / 3932
页数：6
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