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Conductivity in In2O3 Nanoscale Film Under UV Irradiation and Gas Exposure Conditions

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Abstract:

Paper presents the results of theoretical consideration of the features of conductivity in the semiconducting metal oxide nanoscaled film under UV irradiation at the presence of oxidizing gases in air. Study was performed for single crystal and nanocrystalline ultrathin film cases. It was shown in the frame of the Wolkenstein theory of chemosorption that the mechanism of surface photoconductivity in many respects appears to be analogous to a conductometric gas sensitivity mechanism. In particular, processes related to the surface states induced by oxygen are determinative in the conductivity mechanisms.

Keywords: CONDUCTIVITY; METAL OXIDE; NANOSTRUCTURE; OXIDIZING GAS; UV IRRADIATION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jno.2011.1202

Publication date: December 1, 2011

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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