Thermoluminescence of Nanocrystalline CaSO_4: Dy for Gamma Dosimetry and Calculation of Trapping Parameters using Deconvolution Method

摘要

Nanorods of CaSO_4: Dy having diameter 20 nm and length 200 nm have been synthesized by the chemical co-precipitation method. These samples were irradiated with gamma radiation for the dose varying from 0.1 Gy to 50 kGy and their TL characteristics have been studied. TL dose response shows a linear behavior up to 5 kGy and further saturates with increase in the dose. A Computerized Glow Curve Deconvolution (CGCD) program was used for the analysis of TL glow curves. Trapping parameters for various peaks have been calculated by using CGCD program.