CdS Thin Film Growths on Sapphire Substrates Having Heteroepitaxial Transparent Conducting Underlayers

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Abstract:

Cadmium sulfide (CdS) semiconductor thin films were grown on sapphire single-crystal substrates. Indium oxide (In2O3) and zinc oxide (ZnO), which are typical transparent conducting materials, were heteroepitaxially grown on sapphire substrates as underlayers before the cadmium-based semiconductor thin films were grown on them. Subsequently, cadmium-based thin films were heteroepitaxially grown on the transparent conducting under-layers. Crystallinity and photoluminescence properties of the cadmium-based thin films grown on the underlayers were evaluated and compared with those of the cadmium-based thin films grown directly on sapphire substrates.

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Periodical:

Materials Science Forum (Volumes 706-709)

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2904-2909

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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