Identification of step atoms by high resolution core level spectroscopy

被引：29
作者：
Gustafson, J
Borg, M
Mikkelsen, A
Gorovikov, S
Lundgren, E
Andersen, JN
机构：
[1] Lund Univ, Inst Phys, Dept Synchrotron Radiat Res, SE-22100 Lund, Sweden
[2] Lund Univ, MAX Lab, SE-22100 Lund, Sweden
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.91.056102
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Vicinal Rh(111) surfaces are studied with high resolution core level photoemission. We demonstrate the possibility to distinguish between the different kinds of surface atoms on these surfaces by virtue of their 3d core level binding energies. In particular, the low coordinated step atoms are found to exhibit a clear fingerprint in Rh 3d spectra. We demonstrate how this may be used to show that initial oxygen adsorption occurs on the steps and not on the terraces of the vicinal surfaces.
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页数：4
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