HYSTERETIC, HIGH-TC JOSEPHSON-JUNCTIONS USING HETEROSTRUCTURE TRILAYER FILMS GROWN BY MOLECULAR-BEAM EPITAXY

被引：59

作者：

VIRSHUP, GF

KLAUSMEIERBROWN, ME

BOZOVIC, I

ECKSTEIN, JN

机构：

[1] Edward L. Ginzton Research Center, Varian Associates, Palo Alto

来源：

APPLIED PHYSICS LETTERS | 1992年 / 60卷 / 18期

关键词：

D O I：

10.1063/1.107032

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Hysteretic Josephson junctions have been fabricated by growing c-axis oriented trilayer Bi2Sr2CaCu2O8/Bi2Sr2(Ca,Bi,Sr)7Cu8O20/Bi2Sr2CaCu2O8 single-crystal thin films and patterning them into devices. To our knowledge, these are the first cuprate superconductor junctions to exhibit current-voltage characteristics with substantial hysteresis. Current flow in the devices is in the vertical (c axis) direction, through an ultrathin (approximately 30 angstrom) barrier layer. The current-voltage response shows large, sharp Shapiro steps under microwave illumination.

引用

页码：2288 / 2290

页数：3

共 32 条

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