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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 möglich sobald Postprint bei der ZB eingereicht worden ist.
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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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Dopants ; Dosimetric Properties ; Lithium Tetraborate ; Synthesis ; Thermoluminescence; Thermoluminescence; Radiotherapy
Sprache englisch
Veröffentlichungsjahr 2023
Prepublished im Jahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 0969-8043
e-ISSN 1872-9800
Zeitschrift Applied Radiation and Isotopes
Quellenangaben Band: 191, Heft: , Seiten: , Artikelnummer: 110533 Supplement: ,
Verlag Elsevier
Verlagsort The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1gb, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Medicine (IRM)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Radiation Sciences
PSP-Element(e) G-501391-001
Förderungen 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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