Superconductivity in transition metal-silicide W5Si3

被引：0
|
作者：
Kawashima, K. [1 ]
Muranaka, T. [1 ]
Kousaka, Y. [1 ]
Akutagawa, S. [1 ]
Akimitsu, J. [1 ]
机构：
[1] Aoyama Gakuin Univ, Dept Math & Phys, Kanagawa 2298558, Japan
来源：
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 5: SUPERCONDUCTIVITY | 2009年 / 150卷
关键词：
MO5SI3;
D O I：
10.1088/1742-6596/150/5/052106
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We report here the superconducting properties of the tungsten silicide W5Si3. Electrical resistivity and magnetic susceptibility measurements as functions of temperature and magnetic field show a bulk superconductivity with T-c = 2.7 K. The magnetization versus magnetic field (M - H) curve shows a typical type-II superconducting behavior. Furthermore, we present the H - T phase diagram and estimate the upper critical field H-c2(0) to be about 5200 Oe. We also discuss the superconducting properties in a Ginzburg-Landau framework and estimate the lower critical magnetic field H-c1(T), penetration depth lambda, and coherence length xi to be about 33 Oe, 450 nm, and 25 nm, respectively.
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页数：4
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