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Thermoluminescent parameters from a Brazilian calcite glow curve

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
280
Identifiers
DOI: 10.1016/0168-9002(89)90949-2

Abstract

Abstract A thermoluminescent glow curve of gamma-irradiated Brazilian calcite consists of three peaks at 150, 250 and 350°C when recorded with a linear heating rate of 2.7°C/s. Symmetry factors, obtained using peak-shape analysis, agree with second-order kinetics for the three peaks. The partial-heating method shows that all peaks are related with monoenergetic traps. Activation energies determined for the quoted glow peaks are 1.3±0.2, 1.5±0.2 and 1.7±0.2 eV, respectively.

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