Simulating the temperature dependence of surface state contributions to reflection anisotropy spectral features

By simulating the effect of temperature on the absorption spectra of Ag and Cu (110), we show the differing importance of the various processes influencing the temperature dependence of the width and intensity of the 1.7 eV Ag (110) reflection anisotropy spectroscopy (RAS) peak and the surface state...

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Bibliographic Details
Published in:Physica status solidi. B. Basic research 2010-08, Vol.247 (8), p.1965-1968
Main Authors: Isted, G. E., Lane, P. D., Cole, R. J.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
metal surfaces
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of surfaces
Physics
reflection anisotropy spectroscopy
surface states
temperature effects
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Summary:By simulating the effect of temperature on the absorption spectra of Ag and Cu (110), we show the differing importance of the various processes influencing the temperature dependence of the width and intensity of the 1.7 eV Ag (110) reflection anisotropy spectroscopy (RAS) peak and the surface state contribution to the Cu (110) 2.1 eV RAS peak. Our results show that the significance of these processes in each case is governed by the energy gap between the associated occupied surface state involved and the Fermi energy.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.200983927