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Surface-Plasma Absorption in Silver Induced by a Granular Dielectric Overcoating
Published online by Cambridge University Press: 28 February 2011
Abstract
It is shown that when transparent dielectric particles are deposited on metallic surfaces, excitation of surface plasma waves (SPW) becomes possible. The coupling of light with SPW is done via mirror-image effects. A drop in reflectance is observed at the resonance frequency in a similar fashion as in surface roughness experiments. Experimental evidence is proved by depositing very thin layers of hafnium oxide as well as tin oxide on silver surfaces.
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- Copyright © Materials Research Society 1991