Abstract
Solid-state reaction method was used to prepare the rare earth Sm3+ doped ZnB2O4 phosphors. The structural characterization of Sm3+ doped ZnB2O4 samples was recorded by X-ray diffraction (XRD) technique. A single phase structure similar to the standard JCPDS files-39-1126 was recorded using XRD. The graph plotted between TL intensity a nd temperature for different UV dose was recorded. The highest TL intensity was recorded for 20 minutes of UV dose. On further increase in the exposure dose, decrease in TL intensity was observed. The thermo-luminescence was recorded with varying percentage of Sm3+. The at most TL intensity was obtained with 3 mol% of Sm3+. The thermo-luminescence spectra of ZnB2O4 and Sm3+ doped ZnB2O4 phosphors were also studied.
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