Thermoluminescence characteristics and dosimetric aspects of fluoroperovskites (NaMgF3:Eu2+,Ce3+)

作者: D. Joseph Daniel , O. Annalakshmi , U. Madhusoodanan , P. Ramasamy

DOI: 10.1016/S1002-0721(14)60098-3

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摘要: Abstract The perovskite-like NaMgF3 polycrystalline powder samples, pure and rare earth doped, were synthesized by conventional solid state reaction method. perovskite material was doped with 0.2 mol.% of EuF3 CeF3 impurity. Phase purity compounds analyzed X-ray diffraction technique. thermoluminescence response samples showed a linear up to 12 Gy then became sub at higher doses. order kinetics (b), activation energy (E) other trapping parameters calculated using peak shape method variable heating rate From glow curve analysis the symmetric factor calculated. two peaks 404 488 K, both them confirmed in phosphor, which obeyed second-order kinetics. experimental resulted that this phosphor could have potential applications radiation dosimetry.

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