Photoluminescence studies on silicon carbon alloys

Photoluminescence and sub-gap absorption spectroscopy are used to study glow discharge amorphous silicon carbon alloys. The samples were deposited from methane and silane, with or without hydrogen dilution of the gaseous mixture. The line-width of the emission is proportional to the Urbach energy. T...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1993-12, Vol.164-166, p.1027-1030
Main Authors: Schmidt de Magalhães, C., Bittencourt, C., Tessler, L.R., Alvarez, F.
Format: Article
Language:English
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Summary:Photoluminescence and sub-gap absorption spectroscopy are used to study glow discharge amorphous silicon carbon alloys. The samples were deposited from methane and silane, with or without hydrogen dilution of the gaseous mixture. The line-width of the emission is proportional to the Urbach energy. The emission dependence on temperature is used to estimate the localization length of trapped carriers.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(93)91173-Z