ENHANCED CONDUCTANCE IN SUPERCONDUCTOR SEMICONDUCTOR JUNCTIONS AT ZERO-VOLTAGE

被引:2
作者
MAGNEE, PHC [1 ]
VANDERPOST, N [1 ]
VANWEES, BJ [1 ]
KLAPWIJK, TM [1 ]
机构
[1] UNIV GRONINGEN,CTR MAT SCI,9747 AG GRONINGEN,NETHERLANDS
来源
PHYSICA B | 1994年 / 194卷 / pt 1期
关键词
Superconducting materials;
D O I
10.1016/0921-4526(94)90845-1
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
An enhancement of the zero-voltage conductance of a niobium-silicon junction is found at very low temperatures. This enhancement is a result of quantum interference of electrons, near the superconductor semiconductor interface, which results in an increase of Andreev reflection probability.
引用
收藏
页码:1031 / 1032
页数:2
相关论文
共 9 条
[1]  
ANDREEV AF, 1964, ZH EKSP TEOR FIZ, V19, P1228
[2]  
BEENAKKER CWJ, 1992, PHYS REV B, V46, P841
[3]   TRANSITION FROM METALLIC TO TUNNELING REGIMES IN SUPERCONDUCTING MICRO-CONSTRICTIONS - EXCESS CURRENT, CHARGE IMBALANCE, AND SUPER-CURRENT CONVERSION [J].
BLONDER, GE ;
TINKHAM, M ;
KLAPWIJK, TM .
PHYSICAL REVIEW B, 1982, 25 (07) :4515-4532
[4]  
HESLINGA DR, 1993, PREPRINT
[5]   OBSERVATION OF PAIR CURRENTS IN SUPERCONDUCTOR-SEMICONDUCTOR CONTACTS [J].
KASTALSKY, A ;
KLEINSASSER, AW ;
GREENE, LH ;
BHAT, R ;
MILLIKEN, FP ;
HARBISON, JP .
PHYSICAL REVIEW LETTERS, 1991, 67 (21) :3026-3029
[6]  
MARMORKOS IK, 1993, PREPRINT
[7]   ULTRATHIN SILICON MEMBRANES TO STUDY SUPERCURRENT TRANSPORT IN CRYSTALLINE SEMICONDUCTORS [J].
VANHUFFELEN, WM ;
DEBOER, MJ ;
KLAPWIJK, TM .
APPLIED PHYSICS LETTERS, 1991, 58 (21) :2438-2440
[8]   EXCESS CONDUCTANCE OF SUPERCONDUCTOR-SEMICONDUCTOR INTERFACES DUE TO PHASE CONJUGATION BETWEEN ELECTRONS AND HOLES [J].
VANWEES, BJ ;
DEVRIES, P ;
MAGNEE, P ;
KLAPWIJK, TM .
PHYSICAL REVIEW LETTERS, 1992, 69 (03) :510-513
[9]  
VOLKOV AF, 1993, IN PRESS PHYSICA C