• Mechanoluminescence of coloured KCl crystals

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    • 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

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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