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Opto-Electronic Properties of μc-Si Grown from SiF4 and H2 by PECVD
Published online by Cambridge University Press: 21 February 2011
Abstract
Microcrystalline Si was grown from SiF4 and H2 by plasma-enhanced chemical vapor deposition. The films are almost completely crystalline with a crystallite size (determined from Raman spectra) of about 60 Å. The optical absorption and the electrical conductivity of these films were studied. With increasing hydrogen content in the films, the dark conductivity decreases strongly and the activation of the conductivity increases. We explain the conductivity qualitatively in terms of a grain boundary model.
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- Copyright © Materials Research Society 1990
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