ELECTRONIC-STRUCTURE OF NIO(1 0 0) WITH ADSORBED NA

被引：11

作者：

ROGELET, T

SODERHOLM, S

QVARFORD, M

SAINI, NL

KARLSSON, UO

LINDAU, I

FLODSTROM, SA

机构：

[1] UNIV LUND,INST PHYS,DEPT SYNCHROTRON RADIAT RES,S-22362 LUND,SWEDEN

[2] UNIV LUND,INST PHYS,S-22100 LUND,SWEDEN

[3] UNIV RAJASTHAN,DEPT PHYS,CONDENSED MATTER PHYS LAB,JAIPUR 302004,RAJASTHAN,INDIA

来源：

SOLID STATE COMMUNICATIONS | 1993年 / 85卷 / 07期

关键词：

D O I：

10.1016/0038-1098(93)90328-K

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Adsorption of Na on single crystals of NiO(1 0 0) at room temperature has been investigated via angle-resolved photoemission spectroscopy and measurements of work-function changes. The drastic changes in the valence band spectra upon Na deposition are assigned to a chemical reaction between Na and O where metallic Ni is left as by-product. At short deposition times, Na mainly acts as an inert electron donor, and at these coverages no dispersion is observed in the angle-resolved photoemission spectra which indicates that the electronic states are localized. The measurements were performed both for a polished and an in-situ cleaved NiO crystal.

引用

页码：657 / 660

页数：4

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