Novel Sm3+ doped BaZn2(PO4)2 glass-ceramic for optically stimulated luminescence dosimetry
Source abstract
Abstract
Sm 3+ doped glass-ceramic with crystallized BaZn 2(PO 4) 2 was prepared and its structural, optical, and stimulated luminescence dosimetry properties were investigated. The excitation and emission spectra of photoluminescence exhibit Sm 3+ associated transitions. The relationship between the doping concentration and the optically stimulated luminescence (OSL) intensity was investigated. The OSL intensity reached a maximum at a Sm 3+ concentration of 0.25 mol%, after that, a concentration quenching was observed. The OSL decay curves of BaZn 2(PO 4) 2: 0.25Sm 3+ glass-ceramic are deconvoluted by using general order kinetics show the two components that contribute to the OSL signal with photoionization cross sections of 1.693 × 10 −17 and 2.443 × 10 −18 cm 2 , respectively. The thermoluminescence curve has two peaks at 393 and 477 K. The linear radiation dose response range is identified as 0.2-500 Gy. These results show that Sm 3+ doped BaZn 2(PO 4) 2 glass-ceramic has the potential to be used as a candidate material for radiation dosimetry.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Nuclear materials and radiation effects
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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