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    • Reflectance spectra and thermoluminescence of NaBr coloured in an electrodeless discharge

      S V Moharil B T Deshmukh

      Solids Volume 9 Issue 4 October 1977 pp 411-418

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/009/04/0411-0418

    • Keywords

       

      Electrodeless discharge; colour centres; thermoluminescence; reflectance spectra

    • Abstract

       

      A comparative study of the optical and thermoluminescent properties ofγ irradiated NaBr and NaBr coloured in an electrodeless discharge is reported. In discharge coloured NaBrF centre absorption maxima shifted with the colouration time. This is tentatively attributed to the formation ofE centres. Correspondingly, an additional peak was observed in thermoluminescence glow curve. It is suggested that the results are not characteristic of the method of colouration but rather of the imperfections inherent to the powders, and in a perfect (undeformed) single crystal such a phenomenon should not be observed.

    • Author Affiliations

       

      S V Moharil1 B T Deshmukh1

      1. Department of Physics, Nagpur University, Nagpur - 440 010

    • Dates

       
      Published
      October 1977
      Manuscript received
      28 June 1976
      Manuscript revised
      12 March 1977

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