THE ELECTRONIC-STRUCTURE OF BENZENE ADSORBED ON AG(111) STUDIED BY ANGLE RESOLVED PHOTOEMISSION

被引：59
|
作者：
DUDDE, R [1 ]
FRANK, KH [1 ]
KOCH, EE [1 ]
机构：
[1] MAX PLANCK GESELL,FRITZ HABER INST,W-1000 BERLIN 33,GERMANY
来源：
SURFACE SCIENCE | 1990年 / 225卷 / 03期
关键词：
D O I：
10.1016/0039-6028(90)90447-G
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：
Angle resolved photoemission spectroscopy using synchrotron radiation has been applied to study a (3 × 3) overlayer of benzene adsorbed on Ag(111). This monolayer is formed by flat lying benzene molecules. The photoelectron spectra can only be interpreted if the surface molecule is described by C3v,σd symmetry. The adsorbed benzene molecules exhibit an almost uniform relaxation shift of the ionization potentials of 0.8 eV comparing adsorbed and gaseous phase. Combining the photoemission and LEED results a structural model is proposed, in which the benzene molecules occupy the three-fold hollow sites of the Ag(111) surface. © 1990.
引用
收藏
页码：267 / 272
页数：6
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