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In situXPS Spectra of Nonstoichiometric Fe3−δO4(100) Films

 

作者: Tatsuo Fujii,   Frans C. Voogt,   Tjipke Hibma,   George A. Sawatzky,  

 

期刊: Surface Science Spectra  （AIP Available online 1999）
卷期: Volume 6, issue 4  

页码: 337-346

 

ISSN:1055-5269

 

年代: 1999

 

DOI:10.1116/1.1247938

 

出版商: American Vacuum Society

 

关键词: XPS;iron oxide;nonstoichiometry;epitaxial film

 

数据来源: AIP

 

摘要:

XPS core- and valence-level spectra of various nonstoichiometric Fe3−δO4films were measured systematically as a function of theδvalue. The films were prepared epitaxially on MgO(100) substrates by NO2-assisted molecular beam epitaxy and characterizedin situwith RHEED, LEED, and XPS. Stoichiometry of the films was controlled precisely by adjusting the NO2pressure during deposition and analyzedex situby conversion electron Mössbauer spectroscopy.

 

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