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- Title
FADING EFFECT OF LIF:MG,TI AND LIF:MG,CU,P EXT-RAD AND WHOLE-BODY DETECTORS.
- Authors
Pereira, J.; Pereira, M. F.; Rangel, S.; Saraiva, M.; Santos, L. M.; Cardoso, J. V.; Alves, J. G.
- Abstract
Thermoluminescence dosemeters are widely used in individual and environmental monitoring. The aim of this work was to compare the thermal stability of dosemeters of the Ext-Rad and whole-body card types with LiF:Mg,Ti and LiF:Mg,Cu,P detectors stored at different temperatures and periods. The dosemeters were stored at 0°C, room temperature and 40°C for periods that lasted 8, 30, 45, 90 and 120 d. In general, TLD-100H detectors present higher TL signal stability than TLD-100 detectors. The intensity of the signal remained constant for both materials for storage periods at 0°C. At RT the same results was observed for TLD-100H. For TLD-100 detectors, a maximum variation of 22 % was registered for the longest period. At 40°C the TL signal decreased with storage time for both detectors. The TL signal of TLD-100H detectors presented maximum variations of 12 % whereas for TLD-100 detectors, larger variations of 25 % were observed.
- Subjects
WHOLE body counters; THERMO luminescence dosimeters; THERMOLUMINESCENCE dosimetry; THERMAL stability; WHOLE body counting; RADIATION dosimetry
- Publication
Radiation Protection Dosimetry, 2016, Vol 170, Issue 1-4, p177
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/ncv445