Phase coherence between external electrodes in double-barrier Nb/Al-AlOx-Al-AlOx-Nb tunnel junctions

被引：1
|
作者：
Nevirkovets, IP [1 ]
Ketterson, JB
Shafranjuk, SE
机构：
[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[2] Natl Acad Sci Ukraine, Inst Magnetism, UA-252680 Kiev 142, Ukraine
[3] Natl Acad Sci Ukraine, Inst Met Phys, UA-252680 Kiev 142, Ukraine
来源：
PHYSICA B | 2000年 / 284卷
关键词：
Andreev bound states; Josephson effect; superconductivity; tunneling;
D O I：
10.1016/S0921-4526(99)03044-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have experimentally investigated electron transport in double-barrier Nb/Al-AlOx-Al-AlOx-Nb devices. The devices with a "dirty" middle Al layer reveal a novel magnetic-field-sensitive subgap structure in the current-voltage characteristics, which is interpreted as manifestation of quantum Andreev bound states. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1834 / 1835
页数：2
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