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    • Mechanoluminescence of coloured KCl crystals

      M Elyas S K Shukla B P Chandra

      Solid State Physics Volume 21 Issue 3 September 1983 pp 159-169

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/021/03/0159-0169

    • Keywords

       

      Mechanoluminescence; alkali halides; mechanical deformation

    • Abstract

       

      The gamma-irradiated KCl crystals exhibit mechanoluminescence during elastic, plastic and fracture deformation. The mechanoluminiscence (ml) intensity varies linearly with the number of newly-created dislocations and decreases with successive application and release of uniaxial pressure. The totalml intensity increases with applied pressure as well as with the temperature of the crystals. On the basis of the movement of the dislocations, the pressure and temperature dependence ofml is discussed.

    • Author Affiliations

       

      M Elyas1 S K Shukla1 B P Chandra1

      1. Department of Physics, Government Science College, Raipur - 492 002, India

    • Dates

       
      Published
      September 1983
      Manuscript received
      16 November 1982
      Manuscript revised
      4 May 1983

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