ELECTRONIC-PROPERTIES OF GOLD ON MO(110) - D-]S,P CHARGE REDISTRIBUTION AND VALENCE-BAND SHIFTS

被引:54
作者
RODRIGUEZ, JA
KUHN, M
机构
[1] Department of Chemistry, Brookhaven National Laboratory, Upton, NY 11973-5000
关键词
AB-INITIO QUANTUM CHEMICAL METHODS AND CALCULATIONS; ATOM SOLID INTERACTIONS; GOLD; METAL-METAL INTERFACES; MOLYBDENUM; THERMAL DESORPTION SPECTROSCOPY; X-RAY PHOTOELECTRON SPECTROSCOPY;
D O I
10.1016/0039-6028(95)00431-9
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The interaction between Au atoms and Mo(110) has been investigated using photoelectron spectroscopy and ab initio self-consistent field calculations. The formation of Au-Mo bonds induces shifts toward higher binding energy (0.3-0.7 eV) in the core levels and valence d band of gold. This is accompanied by an important redistribution of charge, in which Au loses 5d electrons and gains (6s,6p) electrons. The positive binding-energy shifts in the Au 4f levels and 5d band reflect the effects of a Mo-induced reduction in the Au 5d electron population.
引用
收藏
页码:L657 / L664
页数:8
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