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Spectroscopic evidence for passivation of the La1.85Sr0.15CuO4surface with gold

 

作者: H. M. Meyer,   T. J. Wagener,   D. M. Hill,   Y. Gao,   S. G. Anderson,   S. D. Krahn,   J. H. Weaver,   B. Flandermeyer,   D. W. Capone,  

 

期刊: Applied Physics Letters  （AIP Available online 1987）
卷期: Volume 51, issue 14  

页码: 1118-1120

 

ISSN:0003-6951

 

年代: 1987

 

DOI:10.1063/1.98758

 

出版商: AIP

 

数据来源: AIP

 

摘要:

High‐resolution x‐ray photoemission and inverse photoemission have been used to study the microscopic formation of Au overlayers on the highTcsuperconductor La1.85Sr0.15CuO4. Our results indicate that Au does not induce disruption or surface reaction, unlike the reactive transition metals. The electronic states of the superconductor are attenuated as the Au overlayer covers the surface. We conclude that Au is a promising material for metallization and for passivation.

 

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