Radiation Protection Dosimetry 108:79-83 (2004)
© 2004 © Oxford University Press 2004; all rights reserved
Technical Note
Developments in the synthesis of LiF:Mg,Cu,Na,Si TL Material
1 Health Physics Department, Korea Atomic Energy Research Institute, P.O. Box 105, Taejon, Korea
2 Department of Physics and Physics Education, Gyeong-Sang National University, Chinju 660-701, Korea
* Corresponding author: ex-jilee{at}kaeri.re.kr
A procedure for synthesis of the highly sensitive pellet-type LiF:Mg,Cu,Na,Si thermoluminescent (TL) detector has been newly developed. It was found that the optimum concentrations of dopants for a pellet-type LiF:Mg,Cu,Na,Si TL detector were found to be Mg: 0.2 mol %, Cu: 0.05 mol %, Na: 0.9 mol %, and Si: 0.9 mol %. The TL sensitivity of this new detector was about 30 times higher than that of the TLD-100 by light integration measurements. Reusability study of the detector was carried out for 10 cycles. The results show that the coefficients of variation for each detector separately did not exceed 0.016, and that for all 10 detectors collectively was 0.0054.
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