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    • X-ray excited fluorescence and phosphorescence of CaSO4: Sm phosphors

      S G Sabnis S H Pawar

      Solid State Physics Volume 14 Issue 2 February 1980 pp 143-147

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/014/02/0143-0147

    • Keywords

       

      Fluorescence; phosphorescence; traps; calcium sulphate phosphors; samarium

    • Abstract

       

      Calcium sulphate phosphors activated with samarium as an impurity with various percentage composition have been prepared and their fluorescence rise and phosphorescence decay behaviours have been studied. The growth curve is investigated to study the density of traps. The process of filling of traps during x-ray excitation is revealed. The decay curves are analysed to study the distribution of traps, the nature of decay and kinetics involved in the luminescence process. The concentration dependence of fluorescence emission of the phosphors is also discussed.

    • Author Affiliations

       

      S G Sabnis1 S H Pawar1

      1. Department of Physics, Shivaji University, Kolhapur - 416 004

    • Dates

       
      Published
      February 1980
      Manuscript received
      16 August 1979
      Manuscript revised
      22 December 1979

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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