In this paper, the simulation of the thermal cleaning procedure in LiF:Mg,[Formula: see text]Ti as well as the investigation of the origin of its glow-peaks have been performed by six electron trapping levels and one recombination center phenomenological model. The most generally accepted parameter of the glow-peaks 1 to 5 of LiF:Mg,[Formula: see text]Ti is their first-order kinetics; this was particularly investigated by the use of the random variation of the kinetic parameters method.
This paper presents results of studying the simulated thermoluminescence (TL) glow curve in potassium-yttrium double fluoride doped with trivalent optically active Tb(3+) ions (K2YF5:Tb(3+)). Samples have been irradiated with different doses (0.24, 2.4 and 24 Gy) of beta particles. Four trapping states and one kind of recombination-centre model have been used in this simulation. The activation energy and order of kinetics are determined using the general-order kinetic model. The results obtained using the authors' proposed models were tested and compared with the experimental glow curve of K2YF5:Tb(3+). The comparison has shown that the proposed model can predict more accurately and easily the behaviour of the TL glow curve at three different doses.
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