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Radiation Effects and Defects in Solids
Incorporating Plasma Science and Plasma Technology
Volume 124, 1992 - Issue 2
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Section A: Radiation effects

Dosimetric properties of BeO TLDs under γ- and X-ray irradiation above 1 Gy

C. Bacci Dipartimento di Fisica, Universita’ degli Studi di Roma “La Sapienza”, P.zza A. Moro 2, 00187, Roma, Italy
,
L. D'Angelo Servizio di Medicina Nucleare e Radioterapia, Ospedale S.M. Goretti, V. Reni 5, 04100, Latina, Italy
,
C. Furetta Dipartimento di Fisica, Universita’ degli Studi di Roma “La Sapienza”, P.zza A. Moro 2, 00187, Roma, Italy
&
S. Giancola Servizio di Medicina Nucleare e Radioterapia, Ospedale S.M. Goretti, V. Reni 5, 04100, Latina, Italy
Pages 203-212 | Received 20 Dec 1990, Published online: 19 Aug 2006
 
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Abstract

The properties of BeO thermoluminescent (TL) dosimeters have been investigated in the 1.0–6.0 Gy range. Annealing procedure, fading, calibration and TL dependence on energy and dose were studied along with other relevant physical features. Supralinearity phenomena have been found above 0.5 Gy, but repeated measurements showed a marked stability and reproducibility of the TL response curve vs. dose. The BeO TLDs near tissue equivalence, good sensitivity and integrity to high radiation doses, make them especially suitable for a variety of dosimetric purposes in the radiotherapy field.

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