Superconductor-normal metal-superconductor Josephson junctions with Ti interlayer

被引：16
|
作者：
Fritzsch, L [1 ]
Schubert, M [1 ]
Wende, G [1 ]
Meyer, HG [1 ]
机构：
[1] Inst Phys High Technol, Dept Cryoelect, D-07745 Jena, Germany
来源：
APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 11期
关键词：
D O I：
10.1063/1.122211
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Single nonhysteretic superconductor-metal-superconductor Josephson junctions consisting of Nb-Ti-Nb were prepared using the well-known anodization process for the isolation of the junctions. The 4 x 4 mu m(2) junctions show overdamped Josephson current-voltage characteristics at 4.2 K. The characteristic voltage IcRn is about 8.0 mu V at a critical current density j(c) of about 29 kA/cm(2). Under the influence of 10.5 GHz microwave irradiation the constant-voltage steps of n=0 and +/-1 are observed with current amplitudes of about 3 mA. (C) 1998 American Institute of Physics.
引用
收藏
页码：1583 / 1585
页数：3
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