GIANT CU 2P RESONANCES IN CUO VALENCE-BAND PHOTOEMISSION

被引：114

作者：

TJENG, LH ^{[1
]}

CHEN, CT ^{[1
]}

GHIJSEN, J ^{[1
]}

RUDOLF, P ^{[1
]}

SETTE, F ^{[1
]}

机构：

[1] FAC UNIV NOTRE DAME PAIX,INTERDISCIPLINARIE SPECT ELECTR LAB,B-5000 NAMUR,BELGIUM

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.67.501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the observation of a giant resonance in the Cu 2p resonant-photoemission spectra of CuO. The study allows the unambiguous identification of the local Cu 3d8 configuration in the valence-band photoemission spectrum, providing conclusive evidence for the charge-transfer nature of the insulating gap in the electronic structure of CuO. A comparison with 3p resonant-photoemission measurements is also presented to emphasize the strength of 2p resonant photoemission as a tool for studying the electronic structure of highly correlated 3d transition-metal systems.

引用

页码：501 / 504

页数：4

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