Core-hole effects on electron energy-loss spectroscopy of Li2O -: art. no. 115112

被引：32

作者：

Jiang, N ^{[1
]}

Spence, JCH ^{[1
]}

机构：

[1] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85287 USA

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.69.115112

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Excitons in electron-energy-loss spectra (EELS) can be overwhelming in some materials. Here we report EELS from Li2O for both Li and O K edges. Comparison with calculations excluding and including core-hole effects suggests that the one-electron (ground state) band structure theory is not valid for the interpretation of the fine structure in EELS of Li2O. Using a large angle scattering technique, a core exciton in the band gap can be observed in the K edge EELS.

引用

页数：4

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