MICROWAVE DETECTED OPTICAL-RESPONSE OF YBA2CU3O7-X THIN-FILMS

被引：8

作者：

KAPLAN, R ^{[1
]}

CARLOS, WE ^{[1
]}

CUKAUSKAS, EJ ^{[1
]}

RYU, J ^{[1
]}

机构：

[1] TUFTS UNIV,DEPT CHEM ENGN,MEDFORD,MA 02155

来源：

JOURNAL OF APPLIED PHYSICS | 1990年 / 67卷 / 09期

关键词：

D O I：

10.1063/1.344958

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Microwave-detected optical response (MDOR) of YBa2Cu 3O7-x and other oxide superconductor thin films is shown to yield information complementary to that provided by trasnport photoconductivity measurements. The MDOR technique yields a superposition of response from all illuminated portions of a sample, irrespective of the existence of a resistive macroscopic percolative current path. The response is found to be bolometric at temperatures for which resistance appears in transport measurements. At low temperatures MDOR results imply a nonbolometric response which in some respects is consistent with nonequilibrium quasiparticle concentration due to radiative pair breaking.

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页码：4212 / 4216

页数：5

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