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Type: Artigo de periódico
Abstract: The effects of aluminium on the electro-optical properties of high quality sputtered hydrogenated amorphous germanium are reported. Two distinct effects are found: at low concentrations, the aluminium atoms act as active p-type dopants making the Fermi level shift towards mid-gap compensating the intrinsically n-type material. At higher concentrations, a hydrogenated germanium-aluminium alloy is formed. The optical gap shrinks and transport is probably dominated by holes.
Country: Inglaterra
Editor: Taylor & Francis Ltd
Citation: Philosophical Magazine Letters. Taylor & Francis Ltd, v. 67, n. 4, n. 273, n. 278, 1993.
Rights: fechado
Identifier DOI: 10.1080/09500839308240939
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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