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Title: A high sensitive phosphor for dosimetric applications

In this study a novel TL phosphor CaMg{sub 3}(SO{sub 4}){sub 4}:Dy{sup 3+} was prepared by acid distillation method. The TL response of this phosphor towards γ-rays and carbon ion beam was tested. Good dosimetric glow curve was observed which is stable against both the type of radiations. The CaMg{sub 3}(SO{sub 4}){sub 4}:Dy{sup 3+} phosphor doped with 0.2 mol% of Dy{sup 3+}, irradiated with γ-ray shows nearly equal sensitivity to that of commercially available CaSO{sub 4}:Dy TLD phosphor whereas 3.5 times more sensitivity than CaSO{sub 4}:Dy, when irradiated with carbon ion beam. The change in glow peak intensities and glow peak temperature with variation in irradiation species and energy of ion beam is discussed here. The effect of these on trapping parameters is also illustrated.
Authors:
;  [1] ;  [2] ;  [3]
  1. Department of Physics, RTM Nagpur University, Nagpur-440033 (India)
  2. Department of Chemistry, Sevadal Mahila Mahavidyalaya, Nagpur -440009 (India)
  3. Inter-University Accelerator Center, Aruna Asaf Ali Marg, New Delhi-110067 (India)
Publication Date:
OSTI Identifier:
22490610
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 61 RADIATION PROTECTION AND DOSIMETRY; CALCIUM COMPOUNDS; CALCIUM SULFATES; CARBON IONS; DOPED MATERIALS; DYSPROSIUM IONS; GLOW CURVE; ION BEAMS; IRRADIATION; MAGNESIUM SULFATES; PHOSPHORS; SENSITIVITY; THERMOLUMINESCENCE; THERMOLUMINESCENT DOSIMETRY; TRAPPING; VARIATIONS