Journal
PHYSICAL REVIEW B
Volume 76, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.76.115403
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We report measurements of the optical reflectance anisotropy (RA) of the Ag(110) surface as a function of temperature and we find evidence for contributions to the RA spectrum from bulk band transitions that are modified by the anisotropic (110) surface. A comparison is made between temperature-induced shifts in the energy of RA peaks and thermovariation optical spectroscopy results of the temperature dependence of transition energies between bands at the L symmetry point. A three phase model based on the energy derivative of the bulk dielectric function is found to simulate the RA response from well-ordered and Ar ion bombarded surfaces. We conclude that there is a general trend of surface-modified bulk band contributions to the RA response of the noble metal (110) surfaces.
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