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Low-dose environmental dosimetry using thermo- and optically stimulated luminescence

Zacharias, Nikos; Štuhec, Matjaž; Knežević, Željka; Fountoukidis, Evangelos; Michael, Christodoulos; Bassiakos, Ioannis (2007) Low-dose environmental dosimetry using thermo- and optically stimulated luminescence. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 580 (1). pp. 698-701. ISSN 0168-9002

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Within this study five different types of material were used as luminescence dosimetry phosphors for recording environmental radiation doses. The material was TLD400 and TLD500 phosphors, quartz from two different geological origins (quartzite rock veins and quartz sand) and salt and the techniques were Thermo- and Optically- Stimulated -Luminescence. The phosphors were buried within homogenised and sieved natural soil for periods ranging from 1 to 19 weeks. The luminescence analysis examined for signal sensitivity, dose response and signal growth. The results report well measured doses of only some weeks when using Optical Luminescence besides the well studied TLD400/500 phosphors also for quartz and salt samples. With Thermoluminescence, only TLD400/500 could reliably monitor doses corresponding to some weeks. The study concludes that quartz and salt could be routinely used as dosimetry phosphors to correctly estimate doses resulted from only some months of average to low radiation environments.

Item Type: Article
Uncontrolled Keywords: thermoluminescence; optically stimulated luminescence; dosimetry; TLD400; TLD 500; quartz; quartz-sand; salt
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Radiation Science
Divisions: Division of Materials Chemistry
Project titleProject leaderProject codeProject type
Fizičko-kemijski učinci ionizirajućih zračenja u materijalima[120481] Branka Mihaljević098-0982904-2954MZOS
Depositing User: Željka Knežević Medija
Date Deposited: 05 May 2015 21:23
DOI: 10.1016/j.nima.2007.05.125

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