PHOTOINDUCED SUPERCONDUCTIVITY AND STRUCTURAL-CHANGES IN HIGH-TEMPERATURE SUPERCONDUCTING FILMS

被引：55

作者：

LEDERMAN, D ^{[1
]}

HASEN, J ^{[1
]}

SCHULLER, IK ^{[1
]}

OSQUIGUIL, E ^{[1
]}

BRUYNSERAEDE, Y ^{[1
]}

机构：

[1] KATHOLIEKE UNIV LEUVEN,VASTE STOF FYS & MAGNETISME LAB,B-3001 LOUVAIN,BELGIUM

来源：

APPLIED PHYSICS LETTERS | 1994年 / 64卷 / 05期

关键词：

D O I：

10.1063/1.111078

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The illumination of PryGd1-yBa2Cu3Ox semiconducting and superconducting thin films increases their critical temperatures and decreases their normal state resistivities if and only if the films are oxygen deficient. Moreover, these changes are enhanced near the Pr-induced metal-insulator transition. Light also causes a contraction of the c-axis in YBa2Cu3Ox which is correlated with the observed photoinduced resistivity changes. These changes are similar to those observed when oxygen-deficient YBa2Cu3Ox is enriched with oxygen or annealed at room temperature after quenching from high temperatures.

引用

页码：652 / 654

页数：3

共 15 条

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