Pb-Graphene-Pb Josephson Junctions: Characterization in Magnetic Field

被引：9

作者：

Borzenets, I. V. ^{[1
]}

Coskun, U. C. ^{[1
]}

Mebrahtu, H. ^{[1
]}

Finkelstein, G. ^{[1
]}

机构：

[1] Duke Univ, Durham, NC 27708 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2012年 / 22卷 / 05期

关键词：

Josephson junctions; superconducting device measurements; superconducting films; superconducting materials; superconductor-normal-superconductor devices;

D O I：

10.1109/TASC.2012.2198472

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：

We fabricate superconductor-graphene-superconductor Josephson junctions with superconducting regions made of lead (Pb). The critical current through graphene may be modulated by the external magnetic field; the resulting Fraunhofer interference pattern shows several periods of oscillations, suggesting that the junction is uniform. Deviations from the perfect Fraunhofer pattern are observed, and their cause is explained by a simulation that takes into account the sample design.

引用

页数：4

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