Surface effects on Raman scattering from Sb deposited on Ag-island films

Abstract

Surface-enhanced Raman scattering from crystal vibrational modes of a Sb film rather than from vibrational modes of individual molecules has been observed for the first time to our knowledge. A ~20× enhancement of the longitudinal-optical mode (150 cm⁻¹) in the Raman spectra of crystalline Sb films deposited on silver-island films was obtained. The excitation profiles, as well as the dependence of Raman intensity on the thickness of Ag films, were studied.

© 1983 Optical Society of America

Excitation spectra of surface-enhanced Raman scattering on silver-island films

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