Optical Properties of Natural and Synthetic Minerals


  • Vera Skvortsova University of Latvia
  • Nina Mironova-Ulmane University of Latvia
  • Laima Trinkler University of Latvia




inorganic compounds, absorption spectra, photoluminescence, neutron irradiation


The results of investigation of optical absorption and photoluminescence (PL) of topaz, beryl and yttrium aluminium garnet crystals doped with different concentrations of transition ions exposed to fast neutron irradiation and electron irradiation are presented. We suppose that irradiation leads to the formation of two types of complex centers: "Me2+-F+ (or F) centre" and complex centers, which consist of a cation vacancy and an impurity (iron, manganese and chromium) ion. Exchange interaction between radiation defects and impurity ions during neutron or electron irradiation gives rise to appearance of additional absorption and luminescence band broadening in investigated crystals.


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Author Biographies

  • Vera Skvortsova, University of Latvia
    Institute of Solid State Physics
  • Nina Mironova-Ulmane, University of Latvia
    Institute of Solid State Physics
  • Laima Trinkler, University of Latvia
    Institute of Solid State Physics


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How to Cite

V. Skvortsova, N. Mironova-Ulmane, and L. Trinkler, “Optical Properties of Natural and Synthetic Minerals”, ETR, vol. 1, pp. 195–200, Aug. 2015, doi: 10.17770/etr2013vol1.829.