New characterization and evaluation of BaSO4: Eu as a thermoluminescent radiation dosimeter

Ravikumar Nattudurai,Delmon Arous,Nina F.J. Edin,Anant Pandey,Eirik Malinen

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2023）

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摘要

•The TL dosimetry characteristics of BaSO4: Eu including reusability, response to varying heating rates, signal fading, dose response and order of kinetics were studied for low dose irradiations.•The optimal Eu doping concentration and heating rate were found to be 0.5 mol % and 5 K/s, respectively.•The TL reusability and fading rate were found to be only 1.2% and 0.14 % per day, respectively, demonstrating the promising dosimetric properties of the nanophosphor.

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关键词

Nanophosphors,Order of kinetics,Gamma radiation,Thermoluminescence,X-ray dosimetry,Low dose

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