Valence band photoelectron emission of SrTiO3 analyzed with X-ray standing waves

Thiess S; Lee TL; Bottin FZegenhagen J

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Valence band photoelectron emission of SrTiO3 analyzed with X-ray standing waves

机译：Valence band photoelectron emission of SrTiO3 analyzed with X-ray standing waves

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摘要

The X-ray standing wave technique is used for a site specific analysis of the valence band of SrTiO3. The determined partial photoelectron yields reveal the hybridization of metal and oxygen derived states. Fitting ab initio calculated density of states to the data yields solid state photoelectric cross sections, which are much larger than for corresponding atomic states for Ti 4s and Sr 5s. Valence band features are significantly broader than predicted by single particle band structure calculations in particular for oxygen derived states. This can, at least in part, be explained by correlation effects.

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来源
《Solid State Communications》 |2010年第14期|553-556|共4页
作者
Thiess S; Lee TL; Bottin FZegenhagen J;
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作者单位

European Synchrotron Radiation Facility (ESRF), BP 220, 38043 Grenoble, France;

CEA, DAM, DIF, 91297 Arpajon, France;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
Strontium titanate; X-ray standing waves; Valence band structure; X-ray photoelectron spectroscopy;

Valence band photoelectron emission of SrTiO3 analyzed with X-ray standing waves

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