OBSERVATION OF FLUX-FLOW IN SUPERCONDUCTING YBA2CU3O7-DELTA FILMS

被引：8
|
作者：
BLACKSTEAD, HA [1 ]
PULLING, DB [1 ]
HORWITZ, JS [1 ]
CHRISEY, DB [1 ]
机构：
[1] USN,RES LAB,WASHINGTON,DC 20375
来源：
PHYSICAL REVIEW B | 1994年 / 49卷 / 21期
关键词：
D O I：
10.1103/PhysRevB.49.15335
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Measurements of field-induced changes of the a-b plane surface resistance of high-quality ( > 10(10) A/m2 at 77 K and B = 0) YBa2Cu3O7-delta films at 12.92 GHz reveal flux-flow resistivity at temperatures several degrees below the superconducting onset temperature. Flux-flow resistivity is identified by its temperature dependence and dependence on the Lorentz force. The results are compared to the surface resistance theory of Coffey and Clem, which includes a model for pinning.
引用
收藏
页码：15335 / 15340
页数：6
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