Abstract
The three points analysis method was applied to determine the number of peaks and kinetic parameters. These are the order of kinetics b, the activation energy E (eV), the frequency factor S (s −1) or the pre-exponential factor S″ (s −1) and the relative value of the initial concentration of trapped electrons n 0 (cm −3) associated with the thermoluminescence (TL) glow peaks in double potassium yttrium fluoride (K 2YF 5) doped with cerium ions (Ce 3+) in response to β-irradiation. The three points analysis method indicated that the glow curve of this material is the superposition of five general-order components, which was referred to as P1–P5, in the temperature range between room temperature and 500 °C.
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