Defects creation under UV irradiation of PbWO4 crystals.

  title={Defects creation under UV irradiation of PbWO4 crystals.},
  author={Pavel Boh{\'a}{\vc}ek and P. Fabeni and A. G. Krasnikov and Martinl Nikl and G. P. Pazzi and C. L. Susini and S. Zazubovich},
  journal={Radiation protection dosimetry},
  volume={119 1-4},
A systematic study of photothermally stimulated defects creation processes is carried out by the thermally stimulated luminescence (TSL) method for a large number of undoped and doped PbWO4 crystals under irradiation at 80-180 K in the 3.4-4.3 eV energy range. The activation energy Ea for the regular exciton state disintegration is found to be approximately 0.1 eV. For defect-related states disintegration, Ea varies in the crystals studied from 0.03 to 0.36 eV. The origin of the defect-related… CONTINUE READING

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