Effects of trapped charge transitions between localized levels on the optical properties of thermoluminescent materials: A study of fading and thermal quenching

The current theoretical knowledge about thermoluminescence allows its study through numerical simulations, by solving a set of differential equations that describe system properties. These models, based on experimental evidence, have been used to reproduce the phenomenon of fading and thermal quench...

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Bibliographic Details
Published in:Optical materials 2024-10, Vol.156, p.116006, Article 116006
Main Authors: Benavente, J.F., Arquero, O., Berenguer-Antequera, J.
Format: Article
Language:English
Subjects:
Fading
Localized level transitions
Numerical methods
Thermal quenching
Thermoluminescence
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Summary:The current theoretical knowledge about thermoluminescence allows its study through numerical simulations, by solving a set of differential equations that describe system properties. These models, based on experimental evidence, have been used to reproduce the phenomenon of fading and thermal quenching suffered by materials used by Radiation Dosimetry Services such as LiF:Mg;Ti, commercially called TLD-100. These studies have been carried out by adding both possible charge transitions between localized and delocalized levels and complex thermoluminescence models that allow charge transitions between localized levels. •Study of the optical effects of TL materials related to Fading and Thermal Quenching.•Numerical simulation of the realistic behavior of a thermoluminescent material.•Relationship between optical effects and trapped charge transitions between localized levels.•Implementation of transitions between levels located in the Thermoluminescence model.
ISSN:0925-3467
DOI:10.1016/j.optmat.2024.116006