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Non-contact scintillator imaging dosimetry for total body irradiation in radiotherapy. [PDF]
Phys Med BiolNiver AP +4 more
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Minimum reporting standards should be expected for preclinical radiobiology irradiators and dosimetry in the published literature. [PDF]
Int J Radiat BiolTrompier F +8 more
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Role of dopants in LiF:Mg,Cu, LiF:Mg,P and LiF:Mg,Cu,P detectors
Journal of Solid State Chemistry, 2013Abstract In this study, electronic structure of LiF crystal doped with Mg,Cu,P impurities was studied with WIEN2k code on the basis of FPLAPW+lo method. Results show that in Mg-doped LiF composition, an electronic trap was created with impurity concentration of 1.56% and 3.125%. In this condition, the electronic trap with increasing the percentage of
Kh. Mohammadi +3 more
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Radiation Protection Dosimetry, 1996
Three LiF based thermoluminescent (TL) phosphors, namely, LiF:Mg,Ti, LiF:Mg,Cu and LiF:Mg,Cu,P were investigated for their TL glow curves, TL sensitisation, TL supralinearity, phototransferred TL (PTTL), residual TL (RTL) and emission spectra. Contrary to recently reported results, LiF:Mg,Cu,P did not show any sensitisation in the dose range 0.5-100 ...
J.K. Srivastava +4 more
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Three LiF based thermoluminescent (TL) phosphors, namely, LiF:Mg,Ti, LiF:Mg,Cu and LiF:Mg,Cu,P were investigated for their TL glow curves, TL sensitisation, TL supralinearity, phototransferred TL (PTTL), residual TL (RTL) and emission spectra. Contrary to recently reported results, LiF:Mg,Cu,P did not show any sensitisation in the dose range 0.5-100 ...
J.K. Srivastava +4 more
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2005
Abstract Four thermoluminescence (TL) peaks at 60–90, 100–130, 130–180 and 180–220 °C (the main peak) were observed from LiF:Mg,Cu, LiF:Mg,Cu,Na and LiF:Mg,Cu,Si. The recorded emission bands were at 375 and 414 nm in LiF:Mg,Cu, at 379 and 424 nm in LiF:Mg,Cu,Na and 378 and 425 nm in LiF:Mg,Cu,Si. The loss of TL intensity and temperature shift of the
B. Yang, Q. Lu, S. Wang, P.D. Townsend
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Abstract Four thermoluminescence (TL) peaks at 60–90, 100–130, 130–180 and 180–220 °C (the main peak) were observed from LiF:Mg,Cu, LiF:Mg,Cu,Na and LiF:Mg,Cu,Si. The recorded emission bands were at 375 and 414 nm in LiF:Mg,Cu, at 379 and 424 nm in LiF:Mg,Cu,Na and 378 and 425 nm in LiF:Mg,Cu,Si. The loss of TL intensity and temperature shift of the
B. Yang, Q. Lu, S. Wang, P.D. Townsend
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Evaluating Two Extremity Dosemeters Based on LiF:Mg,Ti or LiF:Mg,Cu,P
Radiation Protection Dosimetry, 2002Evaluation of a new extremity dosemeter is presented. The dosemeter is a passive device that is easy to wear and features a permanent individual numerical ID with barcode, a watertight case, an automatic TLD reader and database management software. Two dosemeters were studied: the first consists of a 100 mg x cm(-2) 7LiF:Mg,Ti (TLD-700) chip and a 42 ...
L Z, Luo, K J, Velbeck, J E, Rotunda
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Comparison of the effects of exposure to light in Harshaw LiF:Mg,Ti and LiF:Mg,Cu,P
Radiation Protection Dosimetry, 2006The response of thermoluminescence dosemeters (TLDs) to light, in various conditions, has been studied. TLD cards containing both conventional lithium fluoride (LiF:Mg,Ti) and the high-sensitivity material LiF:Mg,Cu,P were available, so permitting a comparison between the two types. Also available for the tests were Harshaw extremity EXT-RAD (LiF:Mg,Cu,
S T, Baker, P J, Gilvin
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Comment on the Identification of Z Centres in LiF:Mg and LiF:Mg, Ti Single Crystals
physica status solidi (b), 1984AbstractThe Z‐centre hypothesis in LiF:Mg and LiF:Mg, Ti systems is re‐investigated. On the basis of available optical absorption measurements, summarizing the already emerged contradictions of this hypothesis, and by comparing the characteristic properties of the Z centres in LiF with those in other alkali halides it is established that the Z centre ...
A. Watterich +3 more
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Thermoluminescent materials for medical applications: LiF:Mg,Ti and LiF:Mg,Cu,P
Radiation Measurements, 2006Thermoluminescent dosimeters are used in a variety of medical applications including radiation therapy, diagnostic radiology, and radiotherapy mailed dosimetry. For many years LiF:Mg,Ti has been dominating the field of TL medical dosimetry. In recent years, however, a relatively new material, LiF:Mg,Cu,P, has attracted the attention of the medical ...
M. Moscovitch, Y.S. Horowitz
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2008
Abstract Two strong thermal peaks in the wavelength range 220–420 nm have been detected at 128 and 140 K in LiF:Mg,Cu, at 123 and 135 K in LiF:Mg,Cu,P and at 125 and 133 K in LiF:Mg,Cu,Si, respectively. The origin of these main TL peaks is discussed in terms of defect perturbed H–F and V K –e type recombination, respectively. The relative intensity
B. Yang, L. Wang, P.D. Townsend, H. Gao
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Abstract Two strong thermal peaks in the wavelength range 220–420 nm have been detected at 128 and 140 K in LiF:Mg,Cu, at 123 and 135 K in LiF:Mg,Cu,P and at 125 and 133 K in LiF:Mg,Cu,Si, respectively. The origin of these main TL peaks is discussed in terms of defect perturbed H–F and V K –e type recombination, respectively. The relative intensity
B. Yang, L. Wang, P.D. Townsend, H. Gao
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