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ADSORPTION OF AU ON RU(001) - ELECTRONIC PERTURBATIONS AND THE NATURE OF THE BIMETALLIC BOND

被引：23
作者：
KUHN, M
RODRIGUEZ, JA
HRBEK, J
BZOWSKI, A
SHAM, TK
机构：
[1] BROOKHAVEN NATL LAB, DEPT CHEM, UPTON, NY 11973 USA
[2] UNIV WESTERN ONTARIO, DEPT CHEM, LONDON, ON N6A 5B7, CANADA
来源：
SURFACE SCIENCE | 1995年 / 341卷 / 1-2期
基金：
加拿大自然科学与工程研究理事会;
关键词：
AB INITIO QUANTUM CHEMICAL METHODS AND CALCULATIONS; GOLD; INTERFACE STATES; METAL-METAL INTERFACES; PHOTOELECTRON SPECTROSCOPY; RUTHENIUM;
D O I：
10.1016/0039-6028(95)00823-3
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 electronic properties of Au/Ru(001) surfaces have been investigated using high-resolution photoemission spectroscopy with synchrotron radiation, and ab initio self-consistent-field calculations. For submonolayer coverages of Au, the interaction between the Au 5d and Ru 4d bands produces an interface state that appears at similar to 1.5 eV. A monolayer of Au in contact with Ru(001) has a Au 4f(7/2) binding energy of similar to 0.25 eV higher than that of the surface atoms of Au(111). The Au-Ru bond is complex with Au losing 5d electrons and gaining 6s and 6p electrons. This redistribution of charge affects the stability of the bimetallic bond.
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页码：L1011 / L1018
页数：8
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