Preparation of CdTe Nuclear Detector Material in Thin Film Form using Thermal Evaporation Method

Authors

  • K M A Hussain Atomic Energy Centre
  • T. Faruqe Atomic Energy Centre
  • J. Parvin Atomic Energy Centre
  • S Ahmed Atomic Energy Centre
  • Z. H. Mahmood University of Dhaka
  • Ishtiaque M Syed University of Dhaka

DOI:

https://doi.org/10.18034/mjmbr.v4i1.421

Keywords:

Cadmium Telluride, Nuclear detector, Thin film

Abstract

A study is initiated about cadmium telluride (CdTe) materials deposition and characterization for radiation detector application. The CdTe thin film was grown on glass substrate using thermal evaporation technique in vacuum to avoid the inclusion of impurities in the films. Three different samples were prepared where film thickness were 500, 600 and 700 nm measured by insitu quartz crystal thickness monitoring device during deposition process. The structural studies of the films were carried out using (X-ray diffraction) XRD analytical study and optical measurements were performed in the UV-VIS-NIR region using a spectrophotometer. The films grown at room temperature are polycrystalline as found by X-ray diffraction peaks. The optical transmission spectra of CdTe films showed a high transmission of about 85% to 90% in the visible region with a sharp fall near the fundamental absorption at 880 nm wavelength for the 500 and 600 nm films, and fundamental absorption at 1270 nm wavelength for 700 nm film.

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Author Biographies

  • K M A Hussain, Atomic Energy Centre

    Head, Experimental Physics Division, Atomic Energy Centre, Dhaka, BANGLADESH

  • T. Faruqe, Atomic Energy Centre

    Scientific Officer, Experimental Physics Division, Atomic Energy Centre, Dhaka, BANGLADESH

  • J. Parvin, Atomic Energy Centre

    Senior Engineer, Experimental Physics Division, Atomic Energy Centre, Dhaka, BANGLADESH

  • S Ahmed, Atomic Energy Centre

    Experimental Officer, Experimental Physics Division Institution/Affiliation: Atomic Energy Centre, Dhaka, BANGLADESH

  • Z. H. Mahmood, University of Dhaka

    Professor, Electrical and Electronics Engineering, University of Dhaka, BANGLADESH

  • Ishtiaque M Syed, University of Dhaka

    Professor, Department of Physics, University of Dhaka, BANGLADESH

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Published

2017-06-30

Issue

Vol. 4 No. 1 (2017): January - June Issue

Section

Peer-reviewed Article

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How to Cite

Hussain, K. M. A. ., Faruqe, T. ., Parvin, J. ., Ahmed, S. ., Mahmood, Z. H. ., & Syed, I. M. . (2017). Preparation of CdTe Nuclear Detector Material in Thin Film Form using Thermal Evaporation Method. Malaysian Journal of Medical and Biological Research, 4(1), 29-34. https://doi.org/10.18034/mjmbr.v4i1.421
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