IDENTIFICATION OF NONBOLOMETRIC PHOTORESPONSE IN YBA2CU3O7-DELTA THIN-FILMS BASED ON MAGNETIC-FIELD DEPENDENCE

被引：20

作者：

HEGMANN, FA ^{[1
]}

PRESTON, JS ^{[1
]}

机构：

[1] MCMASTER UNIV,DEPT ENGN PHYS,HAMILTON L8S 4M1,ONTARIO,CANADA

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 10期

关键词：

D O I：

10.1063/1.109613

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optically induced transient voltages across a current-biased bridge structure fabricated from an epitaxial YBa2Cu3O7-delta thin film are reported. A novel technique consisting of applying a small magnetic field perpendicular to the sample was used to identify any bolometric contribution to the photoresponse. Comparison to resistance versus temperature curves with and without the field establishes a slow component in the photoresponse as bolometric and unambiguously identifies a fast component as a nonthermal transient.

引用

页码：1158 / 1160

页数：3

共 28 条

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