Systematic study of anisotropic Josephson coupling between YBa2Cu3O7-x and PbIn using in-plane aligned a-axis films

被引：8
|
作者：
Takeuchi, I
Gim, Y
Wellstood, FC
Lobb, CJ
Trajanovic, Z
Venkatesan, T
机构：
[1] Univ Maryland, Dept Phys, Ctr Superconduct Res, College Pk, MD 20742 USA
[2] Univ Maryland, Dept Elect Engn, College Pk, MD 20742 USA
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.59.7205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have fabricated YBa2Cu3O7-x (YBCO)/Au/Ag/PbIn edge junctions using in-plane aligned a-axis oriented films in order to study the anisotropic coupling between YBCO and PbIn. Seven junctions were made in different directions spanning the b-c plane of YBCO on each chip. Current-voltage characteristics show a systematic change as a function of the angle of the junction direction relative to the YBCO crystal axes. We analyze the results using a superconductor-insulator-normal-metal interface model with anisotropic YBCO/Au interface resistance and discuss implications for measuring the out-of-CuO2 plane order parameter of YBCO. [S0163-1829(99)01410-1].
引用
收藏
页码：7205 / 7208
页数：4
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