Studies on the photoconductivity of vacuum deposited ZnTe thin films

Gowrish K. Rao; Kasturi V. Bangera; G. K. Shivakumar

doi:10.1016/j.materresbull.2010.06.050

Studies on the photoconductivity of vacuum deposited ZnTe thin films

Gowrish K. Rao, Kasturi V. Bangera, G. K. Shivakumar

Department of Physics, Manipal Institute of Technology, Manipal

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

The present paper reports the analysis of photoconductivity of vacuum deposited zinc telluride (ZnTe) thin films as a function of substrate temperature and post-deposition annealing. Detailed analyses were first carried out to understand the effect of substrate temperature and annealing on the structure, composition, optical and electrical properties of the films. The films deposited at elevated substrate temperatures showed faster and improved photoresponse. Post-deposition annealing was found to further enhance the photoresponse of the films. Attempts have been made to explain the improvement in the photoresponse on the basis of structural and compositional changes, taking place in the films, due to the substrate temperature and annealing.

Original language	English
Pages (from-to)	1357-1360
Number of pages	4
Journal	Materials Research Bulletin
Volume	45
Issue number	10
DOIs	https://doi.org/10.1016/j.materresbull.2010.06.050
Publication status	Published - 01-10-2010

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Mechanics of Materials
Materials Science(all)
Condensed Matter Physics

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10.1016/j.materresbull.2010.06.050

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AB - The present paper reports the analysis of photoconductivity of vacuum deposited zinc telluride (ZnTe) thin films as a function of substrate temperature and post-deposition annealing. Detailed analyses were first carried out to understand the effect of substrate temperature and annealing on the structure, composition, optical and electrical properties of the films. The films deposited at elevated substrate temperatures showed faster and improved photoresponse. Post-deposition annealing was found to further enhance the photoresponse of the films. Attempts have been made to explain the improvement in the photoresponse on the basis of structural and compositional changes, taking place in the films, due to the substrate temperature and annealing.

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Studies on the photoconductivity of vacuum deposited ZnTe thin films

Abstract

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