RF RESPONSE OF QUASIPARTICLE INJECTED SUPERCONDUCTING WEAK LINKS.

被引：0

作者：

Kojima, Kazuyoishi ^{[1
]}

Nara, Shigetoshi ^{[1
]}

Hamanaka, Koichi ^{[1
]}

机构：

[1] Mitsubishi Electric Corp, Amagasaki, Jpn, Mitsubishi Electric Corp, Amagasaki, Jpn

来源：

Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes | 1987年 / 26卷 / 02期

关键词：

LEAD AND ALLOYS - Applications - MICROWAVES - NIOBIUM AND ALLOYS - Applications;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The rf response of a new type of weak link (quasiparticle injected superconducting weak links) was investigated under irradiation of 13 GHz microwave. The samples comprised a lead alloy with a Pb/Nb injector junction. We observed the subharmonic current steps as well as the usual harmonic steps up to the 5th order. The number of steps depended on the indium concentration in the lead alloy. No current steps were observed for a pure lead sample; however, the existence of a phase coherence across the weak link was confirmed by means of the periodic response of a dc SQUID (superconducting quantum interference devices) to the external magnetic field.

引用

页码：216 / 219

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