Abstract
This paper presents the results of a long experimental work carried out to study the influence of the heating rate (H.R.) on thermally stimulated light emission phenomenon, well known as thermoluminescence (TL) of MgB4O7 activated by Tm and Dy ions (MgB4O7:Tm.Dy) in pellet form. The kinetics parameters, i.e. the activation energy, E, the frequency factor, s, the kinetics order, b and the number of trapped electrons, n0, were determined using the algorithm of sequential quadratic programming glow curve deconvolution (SQPGCD). The results obtained for the kinetics parameters, were compared with those obtained by other methods like Initial Rise (IR), Chen General-Order Kinetics (PS-GOK) and variable heating rate (VHR). These results suggest that SQPGCD method gives more accurate kinetics parameters values for the experimental glow curves.
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