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Thermal quenching of thermoluminescence in TLD-200, TLD-300 and TLD-400 after β-irradiation

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Volume
406
Issue
3
Identifiers
DOI: 10.1016/j.physb.2010.11.032
Keywords
  • Thermal Quenching
  • Tld-200
  • Tld-300
  • Tld-400

Abstract

Abstract The dosimetric characteristics of many TL materials are influenced by changes in location, size and shape of the glow curves due to changes in the heating rate. In this study, the effect of heating rate on the integrated peak areas of CaF 2:Dy (TLD-200), CaF 2:Tm (TLD-300) and CaF 2:Mn (TLD-400) crystals have been investigated after β-irradiation. It was observed that the peak temperatures of all peaks shifted to the high temperature sides and the integrated peak areas decrease as the heating rate increases due to thermal quenching, whose efficiency increases as temperature increases.

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