EFFECT OF HYDROSTATIC-PRESSURE ON T-C IN SUPERCONDUCTING YNI(2-X)M(X)B(2)C (M=CO, CU)

被引：17
|
作者：
LOONEY, C
GANGOPADHYAY, AK
KLEHE, AK
SCHILLING, JS
机构：
[1] Department of Physics, Washington University, St. Louis, MO 63130-4899, One Brookings Dr
来源：
PHYSICA C | 1995年 / 252卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0921-4534(95)00429-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The dependence of the superconducting transition temperature T-c on hydrostatic pressure to 0.7 GPa has been determined for four YNi(2-x)M(x)B(2)C compounds where up to 15% of Ni is substituted by Co or Cu. In all cases T-c is found to decrease with pressure in the range -0.09 to -0.19 K/GPa. It is shown that these results are consistent with BCS-like superconductivity in transition metal systems where changes in both electronic and phononic degrees of freedom are required to account for the variation of T-c with pressure.
引用
收藏
页码：199 / 202
页数：4
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