MAGNETORESISTANCE PROBE OF SPATIAL CURRENT VARIATIONS IN HIGH-T-C YBA2CU3O7-SRRUO3-YBA2CU3O7 JOSEPHSON-JUNCTIONS

被引：28

作者：

GAUSEPOHL, SC ^{[1
]}

LEE, M ^{[1
]}

ANTOGNAZZA, L ^{[1
]}

CHAR, K ^{[1
]}

机构：

[1] CONDUCTUS INC,SUNNYVALE,CA 94086

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 09期

关键词：

D O I：

10.1063/1.114524

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The low frequency current-voltage characteristics of YBa2Cu3O7-SrRuO3-YBa2CU3O7 Josephson junctions show an increasing resistance and phase shift in fields of 0 to 8 T. A critical current is also evident up to 8 T. Data are analyzed in terms of field-induced perturbations of the current paths through the junction. Results indicate a highly inhomogeneous interface where the mean width of spatial variations in both normal and supercurrent is of order 50 to 100 Angstrom. (C) 1995 American Institute of Physics.

引用

页码：1313 / 1315

页数：3

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