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Monitoring of the Early Stages of Thin Film Growth by the Generation From Second Harmonic Radiation of Supported Metal Particles
Published online by Cambridge University Press: 21 February 2011
Abstract
Optical second harmonic generation (SHG) of metal clusters supported on a dielectric substrate has been investigated. The SHG intensity was detected in situ as a function of cluster size during the nucleation of the particles at constant number density. SH radiation is detectable for particles as small as approximately 1 nm. In further experiments the chemisorption of oxygen on the surface of the metal particles was studied. The SHG signal strongly decreases as a function of oxygen coverage and disappears almost completely upon chemisorption of only one monolayer.
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- Copyright © Materials Research Society 1995