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Highly textured thick films by a melt‐annealing technique in the Bi‐Sr‐Ca‐Cu‐O system

 

作者: Ming Xu,   A. L. Cornelius,   Donglu Shi,   J. G. Chen,   B. Dabrowski,   D. Miller,  

 

期刊: Applied Physics Letters  (AIP Available online 1989)
卷期: Volume 55, issue 21  

页码: 2236-2238

 

ISSN:0003-6951

 

年代: 1989

 

DOI:10.1063/1.102356

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A melt‐annealing method has been developed to deposit highly textured superconducting thick films on different substrates in the Bi‐Sr‐Ca‐Cu‐O system. As opposed to previous techniques, this method uses powder made from an extremely dense glass sample to yield very uniform and dense thick films. The x‐ray diffraction and scanning electron microscopy results indicate that the superconducting phase is strongly oriented along thecaxis perpendicular to the substrate and the films are chemically uniform. Electrical transport measurements consistently show aTcnear 80 K for all samples.

 

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