ELECTRONIC-STRUCTURE OF PDO STUDIED BY PHOTOEMISSION (XPS, UPS)

被引：30

作者：

HOLL, Y ^{[1
]}

KRILL, G ^{[1
]}

AMAMOU, A ^{[1
]}

LEGARE, P ^{[1
]}

HILAIRE, L ^{[1
]}

MAIRE, G ^{[1
]}

机构：

[1] UNIV STRASBOURG 1,MAGNETISME & STRUCT ELECTR SOLIDES LAB 306,F-67070 STRASBOURG,FRANCE

来源：

SOLID STATE COMMUNICATIONS | 1979年 / 32卷 / 12期

关键词：

D O I：

10.1016/0038-1098(79)90863-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In this paper we present the results of photoemission studies (XPS and UPS) performed on a polycrystalline surface of PdO. The electron density of states (EDOS) deduced both from XPS and UPS (HeI and HeII) are very similar. The valence band of PdO, which differs significantly from the Pd one, can be built up by four structures located at 0.5 eV, 2.2eV, 4.5 eV and 6.5 eV below EF. The various electronic contributions (p or d) in the band are considered and, in order to explain our spectra, we discuss several hypothesis taking into account the possible existence of satellite lines or crystal field effects. Our XPS and UPS spectra show that the energy bands of PdO are narrow (∼ 2-3 eV), moreover the energy shift of the core levels (|ΔEFB| = 2 eV) is important : these results suggest that the correlations between the d electrons may be important in PdO. © 1979.

引用

页码：1189 / 1192

页数：4

共 15 条

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