Characterisation of thermoluminescent LiF:Mg,Ti (MTS-N) detectors in the 85-550 K temperature range.
Miniature LiF:Mg,Ti (MTS-N) pellets, specially designed for dosimetry in proton radiotherapy, were studied in the 85-550 K temperature range. TL glow curves for differently Mg- or Ti-doped detectors were recorded, showing the preponderant influence of Mg concentration on the intensity of peak 5. The presence of a three-peak complex was also confirmed near 140 K; spectral emission of this peak consists of two bands whose maxima occur at 290 and 420 nm. TSEE glow curves above 300 K similar to those of TL were observed. The behaviour of TSEE and TL peak 5 following an X ray exposure from 33 to 500 Gy was studied: its intensity is a linear function of air kerma in both cases.
Briand
D
D
LPES-CRESA, EA1174, Université de Nice-Sophia Antipolis, France. briand@unice.fr
Vincellér
S
S
Iacconi
P
P
Berkane-Krachai
A
A
Bilski
P
P
Benabdesselam
M
M
Lapraz
D
D
D005459:Fluorides / Q000737:chemistry / Q000528:radiation effects*; D006358:Hot Temperature; D006801:Humans; D018020:Lithium Compounds / Q000737:chemistry / Q000528:radiation effects*; D008274:Magnesium / Q000737:chemistry; D061766:Proton Therapy; D011854:Radiochemistry; D011879:Radiotherapy Dosage; D013053:Spectrophotometry; D013819:Thermoluminescent Dosimetry / Q000379:methods* / Q000706:statistics & numerical data; D014025:Titanium / Q000737:chemistry; D014965:X-Rays
D018020:Lithium Compounds; C027651:lithium fluoride; D014025:Titanium; D008274:Magnesium; D005459:Fluorides