Theory of core-level spectroscopy in f and d electron systems

被引：31

作者：

Kotani, A ^{[1
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 1068666, Japan

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 1999年 / 100卷

关键词：

core-level spectroscopy; many body effects; impurity Anderson model; rare earth compounds; transition metal compounds; multiplet coupling; charge transfer effect;

D O I：

10.1016/S0368-2048(99)00041-9

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A review is presented of many body effects in core-level spectroscopy (CLS) of f and d electron systems from a theoretical point of view. Historical developments and the most recent topics in this field are described. The impurity Anderson model (IAM) has been successfully applied to the analysis of X-ray photoemission spectra (XPS) and X-ray absorption spectra (XAS) in f and d electron systems, where the f and d electron states are treated as being on a single atomic site and they are hybridized with valence or conduction electron states. The effect of a core-hole potential in the final state of CLS plays an important role. Typical examples of calculated results for XPS in rare-earth compounds and transition metal compounds are given. Recent developments in the study of resonant X-ray emission spectra (RXES) are also introduced. A theoretical approach beyond the IAM is discussed mainly for the analysis of RXES of transition metal compounds. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：75 / 104

页数：30

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