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Neutron+Gamma response of undoped and Dy doped MgB4O7 thermoluminescence dosimeter
S İflazoğlu1, A Yılmaz2, V E Kafadar3
1University of Gaziantep, Department of Engineering Physics, 27310, Gaziantep, Turkey; Middle East Technical University, Department of Chemistry, 06800, Ankara, Turkey.
Abstract:
Thermoluminescence properties of undoped and Dy doped MgB4O7 compounds were studied with the irradiation of 252Cf source. The TL kinetic parameters of MgB4O7: Dy were studied by computer glow curve deconvolution (CGCD) method. The glow curve structures of 1% Dy doped magnesium tetraborate compound consists of at least five glow peaks with a main dosimetric peak at about 220 °C. The highest sensitivity which is approximately 1.90 and 1.47 times higher than that of TLD-600 and TLD-700 was found for MgB4O7: Dy (1 mol%). The results clearly showed that Dysprosium doped magnesium borate has a potential to be considered as the thermoluminescence neutron + gamma dosimeter.
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