MANY-BODY THEORY OF EELFS

被引：12

作者：

FUJIKAWA, T

机构：

[1] Faculty of Engineering, Yokohama National University, Yokohama, 240, Hodogaya

来源：

SURFACE SCIENCE | 1992年 / 269卷

关键词：

D O I：

10.1016/0039-6028(92)91227-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Here we propose a many-body EELFS theory based on the general formula of the inelastic scattering amplitude given by us. We explicitly include elastic scatterings of a probe electron in addition to those of a secondary excited electron from a deep core orbital by use of the site T-matrix expansion. The latter process is a source of EELFS oscillation and the former gives rise to oscillation due to the interference of probe electron scattering. Important ingredients are damped one-electron functions and optical potentials for a probe electron and a secondary excited electron.

引用

页码：55 / 60

页数：6

共 14 条

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