Superconducting Coulomb-blockade electrometers with tunable Josephson coupling

被引：3

作者：

Amar, A

Song, D

Lobb, CJ

Wellstood, FC

机构：

[1] Center for Superconductivity Research, University of Maryland

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期

关键词：

D O I：

10.1109/77.622162

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 report measurements made on superconducting Al-AlOx-Al Coulomb-blockade electrometers with fixed gap Delta and charging energy E-c, but tunable Josephson coupling E-j via application of a magnetic field. This allows us to investigate the effects of changing the E-j/E-c ratio on the device characteristics. We compare the observed modulation with respect to magnetic field and gate voltage with the theoretical predictions in the supercurrent region.

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页码：3544 / 3547

页数：4

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