Resonant photoemission at the 2p edges of Ni: Resonant Raman and interference effects

被引：113

作者：

Weinelt, M ^{[1
]}

Nilsson, A ^{[1
]}

Magnuson, M ^{[1
]}

Wiell, T ^{[1
]}

Wassdahl, N ^{[1
]}

Karis, O ^{[1
]}

Fohlisch, A ^{[1
]}

Martensson, N ^{[1
]}

Stohr, J ^{[1
]}

Samant, M ^{[1
]}

机构：

[1] IBM CORP,ALMADEN RES CTR,DIV RES,SAN JOSE,CA 95120

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.78.967

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Unambiguous evidence for resonant photoemission in Ni is presented. Interference effects are identified at the 2p edges for the valence band and the 6 eV satellite. A rapid transition from a resonant Raman to an Auger-like regime shows that the core-excited states above threshold are not localized enough to significantly enhance the photoemission intensity, implying a large fraction of incoherent intensity. The results indicate that the appearance of interference effects does not require strong localization of the intermediate state.

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页码：967 / 970

页数：4

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