Current-phase relation in Nb-Al based SINIS-type Josephson junctions

被引：0
|
作者：
Götz, M [1 ]
Khanin, VV
Schulze, H
Zorin, AB
Niemeyer, J
Grajcar, M
Il'ichev, E
Heonig, HE
Meyer, HG
机构：
[1] PTB, D-38116 Braunschweig, Germany
[2] Inst Phys High Technol, D-07702 Jena, Germany
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2001年 / 11卷 / 01期
关键词：
cryogenic electronics; Josephson junctions; impedance measurement;
D O I：
10.1109/77.919550
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The supercurrent-phase relation (CPR) of Nb-Al based Josephson elements of superconductor/insulator/normal conductor/insulator/superconductor-type is deduced from impedance measurements of the phase-biased junction. The chosen temperature range from 1.9 to 8.0 K covers the superconducting transition of the aluminum interlayer below which a pronounced non-harmonic CPR is found. At temperatures higher than the corresponding critical temperature, the CPR did not deviate significantly from purely harmonic shape. Both results are in agreement with theoretical predictions.
引用
收藏
页码：1142 / 1145
页数：4
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