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Thermally stimulated luminescence of polycrystalline CdWO4at low temperatures

Authors
Journal
Journal of Luminescence
0022-2313
Publisher
Elsevier
Publication Date
Volume
131
Issue
7
Identifiers
DOI: 10.1016/j.jlumin.2011.03.019
Keywords
  • Cdwo4
  • Scintillator
  • Thermally Stimulated Luminescence

Abstract

Abstract CdWO 4 scintillator powders were produced via solid state reaction and investigated by thermally stimulated luminescence technique after UV irradiation. Under a heating rate of 0.1 K/s, the glow curve presented a superposition of peaks at low temperatures. Four peaks were identified below 80 K by partial heating method and their kinetic parameters were evaluated from the initial rise analysis. Measurements were also performed for heating rates of 0.05 and 0.2 K/s and allowed the kinetic study by peak position method. Surface effects due to the polycrystalline feature of the sample were investigated by comparing the results with those reported for CdWO 4 single crystals.

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