Nb/Al/AlOx/AlOx/Al/Nb Josephson junctions for programmable voltage standards

被引：100
|
作者：
Schulze, H [1 ]
Behr, R [1 ]
Muller, F [1 ]
Niemeyer, J [1 ]
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 07期
关键词：
D O I：
10.1063/1.122064
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a study of the microwave characteristics of Josephson junctions based on a superconductor-insulator-normal-insulator-superconductor sandwich, fabricated in Nb/Al/AlOx technology. With the nonhysteretic Shapiro steps and the small parameter spread observed, the junctions are suitable for programmable Josephson voltage standards. Their characteristic voltage V(c approximate to)100 mu V enables operation at microwave frequencies up to 100 GHz. (C) 1998 American Institute of Physics.
引用
收藏
页码：996 / 998
页数：3
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