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LET dependence of thermoluminescent efficiency and peak height ratio of CaF<sub>2</sub>:Tm

Hajek, M. and Berger, Thomas and Bergmann, R. and Vana, N. and Uchihori, Y. and Yasuda, N. and Kitamura, H. (2008) LET dependence of thermoluminescent efficiency and peak height ratio of CaF<sub>2</sub>:Tm. Radiation Measurements, 43, pp. 1135-1139. Elsevier. DOI: doi:10.1016/j.radmeas.2007.12.015.

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Abstract

First-order thermoluminescence (TL) kinetics computerized glow curve deconvolution (CGCD) and manual analysis of the composite peak structures have been applied to study the behaviour of glow peaks 3 and 5 in CaF<sub>2</sub>:Tm (TLD-300, Harshaw-Thermo Fisher Scientific) single crystals after heavy charged particle (HCP) irradiation with respect to <sup>60</sup>Co source gamma rays for a linear energy transfer (LET) interval from 2.3 to 339.4keVµm<sup>-1</sup> source. The ratio of peak 5 to peak 3 heights can be used to evaluate effective LET and correct measured doses for TL efficiency. The applicability of this idea to dose equivalent estimation in exotic radiation fields of complex composition is discussed critically.

Document Type:Article
Title:LET dependence of thermoluminescent efficiency and peak height ratio of CaF<sub>2</sub>:Tm
Authors:
AuthorsInstitution or Email of Authors
Hajek, M.Atomic Institute of the Austrian Universities, Vienna University of Technology, Stadionallee 2, AT-1020 Vienna, Austria
Berger, ThomasUNSPECIFIED
Bergmann, R.Atomic Institute of the Austrian Universities, Vienna University of Technology, Stadionallee 2, AT-1020 Vienna, Austria
Vana, N.Atomic Institute of the Austrian Universities, Vienna University of Technology, Stadionallee 2, AT-1020 Vienna, Austria
Uchihori, Y.Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba JP-263-8555, Japan
Yasuda, N.Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba JP-263-8555, Japan
Kitamura, H.Fundamental Technology Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba JP-263-8555, Japan
Date:2008
Journal or Publication Title:Radiation Measurements
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:43
DOI:doi:10.1016/j.radmeas.2007.12.015
Page Range:pp. 1135-1139
Publisher:Elsevier
Status:Published
Keywords:Thermoluminescence, Efficiency, Calcium fluoride
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Strahlenbiologie (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kerstin Kopp
Deposited On:06 Aug 2008
Last Modified:27 Apr 2009 14:54

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