Abstract

LiMgPO4:Eu,Sm,B phosphors were synthesized using a solid-state diffusion synthesis method. Their optically stimulated luminescence (OSL) properties for real-time dosimetry were investigated, including thermoluminescence (TL), OSL emission spectrum, OSL dose response, OSL stimulation time and the reproducibility of the OSL signal. The LiMgPO4:Eu,Sm,B phosphors exhibited high sensitivity to ionizing radiation, excellent signal stability for the tested period (up to 12 cycles) and a broad range of linear dose response (>0.1–540 Gy). The excellent luminescent and dosimetric properties of these LiMgPO4:Eu,Sm,B phosphors make them promising candidates for real-time dosimeters with increased therapeutic efficacy and minimal toxicity.

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