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A YBa2Cu3O7Epitaxial Thin Film by XPS

 

作者: Richard P. Vasquez,   Marc C. Foote,   Brian D. Hunt,  

 

期刊: Surface Science Spectra  （AIP Available online 1992）
卷期: Volume 1, issue 1  

页码: 31-42

 

ISSN:1055-5269

 

年代: 1992

 

DOI:10.1116/1.1247667

 

出版商: American Vacuum Society

 

关键词: YTTRIUM OXIDES;BARIUM OXIDES;COPPER OXIDES;HIGH−TC SUPERCONDUCTORS;QUATERNARY COMPOUNDS;SUPERCONDUCTING FILMS;PHOTOELECTRON SPECTROSCOPY;X RADIATION;ETCHING

 

数据来源: AIP

 

摘要:

X-ray photoemission spectra for the superconducting orthorhombic phase of YBa2Cu3O7are presented. The data are from a chemically etched epitaxial thin film with the surface terminated in Cu–O planes, rather than the Ba–O termination obtained on cleaved crystals. The Cu–O termination results in a single Ba species and a Fermi edge in the valence band region which is stable in vacuum at room temperature.

 

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