The effect of carbon on the density of states of hydrogenated amorphous silicon-carbon alloy films prepared from silane and propane

K. Ibrahim, J. I B Wilson, A. Qayyum, A. E. Henderson, A. G. Fitzgerald

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Abstract

The compositional dependence of the density of states near the Fermi level of hydrogenated amorphous silicon-carbon alloys from silane-propane mixtures was examined. Optical and electrical measurements reveal two distinct regions of behaviour: a low propane concentration regime and a high propane concentration regime. We propose that at low propane concentration there is only a small carbon contribution to the formation of the silicon-based lattice and at high propane concentration a new structure is formed. © 1989.

Original languageEnglish
Pages (from-to)282-286
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume113
Issue number2-3
Publication statusPublished - 4 Dec 1989

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    Ibrahim, K., Wilson, J. I. B., Qayyum, A., Henderson, A. E., & Fitzgerald, A. G. (1989). The effect of carbon on the density of states of hydrogenated amorphous silicon-carbon alloy films prepared from silane and propane. Journal of Non-Crystalline Solids, 113(2-3), 282-286.