NEW INTERPRETATION OF PENNING SPECTRA FROM ALKALI-METAL ATOMS CHEMISORBED ON METAL-SURFACES

被引：109
|
作者：
HEMMEN, R
CONRAD, H
机构：
[1] Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin
来源：
PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 10期
关键词：
D O I：
10.1103/PhysRevLett.67.1314
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Penning deexcitation spectra of alkali atoms adsorbed on metals show an intense peak at the Fermi level for coverages around the work-function minimum. This strong electron emission is assigned to the decay of a core-excited negative He- ion created by resonance transition of a substrate electron into the affinity level of the metastable rare-gas atom. The formation of this species also easily provides an explanation for the observed He* singlet-triplet conversion.
引用
收藏
页码：1314 / 1317
页数：4
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