Review of optical and electrical properties of amorphous semiconductors

The optical spectra are reviewed for some semiconductors (Ge, InSb, Se, Te and As2Se3) for which the optical properties are known in a broad energy range both in the crystalline and the amorphous phase. In particular the change of the spectra on the transition to the disordered state is treated and...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1970-04, Vol.4, p.1-26
Main Author: Stuke, J.
Format: Article
Language:English
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Summary:The optical spectra are reviewed for some semiconductors (Ge, InSb, Se, Te and As2Se3) for which the optical properties are known in a broad energy range both in the crystalline and the amorphous phase. In particular the change of the spectra on the transition to the disordered state is treated and the different behaviour of the semiconductors is discussed. Furthermore recent results on electroreflection are reported. The review of the electrical properties is mainly restricted to conductivity, thermoelectric power and some results on magneto- and piezoresistance. The main features of the intrinsic and the impurity conduction range are pointed out and the influence of impurity atoms and of structure defects are discussed. For the intrinsic conductivity a simple relation is given which is valid for most amorphous semiconductors.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(70)90015-3