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Monitoring of Silicon Nano-Crystal Dots Formation on SiO2 and on Si3N4 in an UHV-CVD System
Published online by Cambridge University Press: 17 March 2011
Abstract
Applicability of SPA (Surface Photo Absorption) as an in-situ monitor of Si nanocrystal formation was comparatively studied to a monitoring with pyrometer.
Although both SPA and pyrometer provide a signature of the Si nanocrystals nucleation and growth process as a function of irradiation time, SPA was found to be more sensitive to detect formation of desired nanocrystals on both SiO2 and Si3N4 surfaces. By using SPA as an in-situ monitor of nanocrystal formation, good repeatability of both nanocrystals' density and size was obtained on SiO2 and Si3N4 surfaces.
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- Copyright © Materials Research Society 2002