Abstract
Abstract The thermoluminescence (TL) characterization of undoped, as well as Ce3+ and Tb3+ doped Y3Al5O12 (YAG) nanocrystals, exposed to X- and β-radiation was performed. The samples were prepared by precipitation process and the crystalline structure was obtained after annealing at 1150 °C. The TL signal of the undoped samples indicates a high sensitivity to X- and β-ray irradiation. The introduction of the dopants ions induced changes in the TL glow curve structure and the kinetic properties modifying the radiative recombination efficiency. The TL results suggest that both undoped and doped YAG nanocrystalline phosphor present a good potential for X- and β-ray irradiation dosimeter applications.
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