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J. Gustafson, M. Borg, A. Mikkelsen, S. Gorovikov, E. Lundgren, and J. N. Andersen
The Identification of Step Atoms by High Resolution Core Level Spectroscopy
Phys. Rev. Lett. 91, 056102 (2003)

Abstract
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.

Link to the complete paper (if available):
http://ojps.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PRLTAO000091000005056102000001&idtype=cvips


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