SURFACE MOLECULAR STRUCTURE FROM ION-NEUTRALIZATION SPECTROSCOPY OF ELECTRONS IN SURFACE ORBITALS

被引:89
作者
HAGSTRUM, HD
BECKER, GE
机构
[1] Bell Telephone Laboratories, Murray Hill
关键词
D O I
10.1103/PhysRevLett.22.1054
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is shown that the ion-neutralization spectroscopy determines the orbital energy spectra of surface molecules formed of adsorbed foreign atoms and surface atoms of the substrate. For free molecules such a spectrum yields information concerning molecular symmetry and structure as well as ionicity within the molecule. Using also measured work-function change in adsorption, specific conclusions are drawn concerning O, S, and Se adsorbed in p(2×2) and c(2×2) arrangements on Ni (100). © 1969 The American Physical Society.
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页码:1054 / &
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