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Anisotropy in transport critical current density of a Bi‐Sr‐Ca‐Cu‐oxide single crystal

 

作者: S. Nomura,   Y. Yamada,   T. Yamashita,   H. Yoshino,  

 

期刊: Journal of Applied Physics  (AIP Available online 1990)
卷期: Volume 67, issue 1  

页码: 547-549

 

ISSN:0021-8979

 

年代: 1990

 

DOI:10.1063/1.345243

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Critical current densities and upper critical fields were measured for a single crystal of the highTcoxide superconductor, Bi2Sr2CaCu2O8+d, by transport within theabbasal plane and along thecaxis. The anisotropy in critical current densities was observed to beJc⊥/Jc∥=10, in agreement with the anisotropy in resistivity for the normal state. The scaling of the critical current density with the magnetic field was found. The critical current density scaled to zero at fieldsBc2in theabplane and along thecaxis which were in good agreement with the upper critical fields measured by transport.

 

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