SUPERCONDUCTIVE TUNNELING THROUGH SEMICONDUCTOR HETEROSTRUCTURES

被引：5

作者：

WAUNG, R

FENG, SC

机构：

[1] Department of Physics, University of California, Los Angeles

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 20期

关键词：

D O I：

10.1063/1.108151

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate the characteristics of Cooper pair tunneling through a system of two superconductors separated by a double-barrier semiconductor quantum well. The zero-voltage critical supercurrent is calculated for a select range of well widths and doping concentrations, and is found to depend sensitively on these parameters. Resonance effects arising from an optimal alignment between the Fermi level and the subband eigenenergies in the well are shown to enhance the current by up to four orders of magnitude.

引用

页码：2458 / 2460

页数：3

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