Abstract
Borates LiSr 4(BO 3) 3 were synthesized by high-temperature solid-state reaction. The thermoluminescence (TL) and some of the dosimetric characteristics of Ce 3+-activated LiSr 4(BO 3) 3 were reported. The TL glow curve is composed of only one peak located at about 209 °C between room temperature and 500 °C. The optimum Ce 3+ concentration is 1 mol% to obtain the highest TL intensity. The TL kinetic parameters of LiSr 4(BO 3) 3:0.01Ce 3+ were studied by the peak shape method. The TL dose response is linear in the protection dose ranging from 1 mGy to 1 Gy. The three-dimensional thermoluminescence emission spectra were also studied, peaking at 441 and 474 nm due to the characteristic transition of Ce 3+.
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