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El-Faramawy, N.* ; Sabry, M.* ; Farouk, S.* ; El-Kinawy, M.* ; Mafodda, A. ; Woda, C.

Preliminary study of lithium tetraborate doped with Cu and in for external dosimetry.

Appl. Radiat. Isot. 191:110533 (2023)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
A potentially tissue-equivalent dosimeter based on lithium tetraborate co-doped with Cu and In was successfully synthesized in two steps melting process. Basic material properties were characterized using Differential scanning calorimetry, X-ray diffraction, and Fourier Transform Infrared Spectroscopy, the dosimetric properties using Thermoluminescence. The highest sensitivity was observed for dopant concentrations of 0.1% Cu and 0.5% In. Tmax-Tstop analysis revealed the existence of eight individual peaks in the composite TL glow curve, which was confirmed by computerized glow curve deconvolution. A linear dose-response was seen up to about 30 Gy, for higher doses saturation effects occurred. The minimum detectable dose was estimated at about 670 μGy. TL peaks, with peak temperature above 150 °C faded to values between 3.3 and 14.9% of the respective of initial values after 70 days storage.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Dopants ; Dosimetric Properties ; Lithium Tetraborate ; Synthesis ; Thermoluminescence; Thermoluminescence; Radiotherapy
Language english
Publication Year 2023
Prepublished in Year 2022
HGF-reported in Year 2022
ISSN (print) / ISBN 0969-8043
e-ISSN 1872-9800
Journal Applied Radiation and Isotopes
Quellenangaben Volume: 191, Issue: , Pages: , Article Number: 110533 Supplement: ,
Publisher Elsevier
Publishing Place The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1gb, England
Reviewing status Peer reviewed
Institute(s) Institute of Radiation Medicine (IRM)
POF-Topic(s) 30203 - Molecular Targets and Therapies
Research field(s) Radiation Sciences
PSP Element(s) G-501391-001
Grants Science and Technology Development Fund
Bundesministerium für Bildung und Forschung
Arab Republic of Egypt
DOI 10.1016/j.apradiso.2022.110533
WOS ID 000918342500006
Scopus ID 85140968866
PubMed ID 36332424
Erfassungsdatum 2022-11-29
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