High temperature superconducting Josephson junctions in a stacked bicrystal geometry

被引：7
|
作者：
Li, HQ [1 ]
Ono, RH [1 ]
Vale, LR [1 ]
Rudman, DA [1 ]
Liou, SH [1 ]
机构：
[1] UNIV NEBRASKA,LINCOLN,NE 68588
来源：
APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 08期
关键词：
D O I：
10.1063/1.119746
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Bicrystal grain boundary Josephson junctions were fabricated in a stack of two layers of YBa2Cu3Ox separated by epitaxial SrTiO3. Weak link behavior was observed in the bridges formed in both layers that had similar shunted-junction characteristics but significantly different critical currents. Characteristic voltages up to 1.9 mV were measured at 4.5 K. The resonant structure was seen in the current-voltage characteristics of the upper-layer junctions, and interactions between junctions in the two layers were evident. (C) 1997 American Institute of Physics.
引用
收藏
页码：1121 / 1123
页数：3
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