Abstract
In this paper, the radiation shielding properties of borate-tellurite-germanate glasses were experimentally studied. The four compositions (BTGMCe1–BTGMCe4) involving the use of different amounts of CeO2. The impact of the CeO2 additions on gamma-ray shielding properties was evaluated using a NaI(Tl) scintillation detector and gamma-ray sources of 137Cs (662 keV) and 60Co (1,173 and 1,332 keV). The results showed that the gamma-ray attenuation properties of the glasses were clearly dependent on composition, wherein the linear attenuation coefficient (LAC) of each composition increased by 16–29 % across the energies investigated, while half-value layer (HVL) and mean-free path (MFP) decreased correspondingly, indicating stronger interaction with photons. Furthermore, the results indicated that the glass with a 10 % CeO2 addition (BTGMCe4) had the lowest transmission factor (16.5 % @ 0.662 MeV and 4.6 cm thickness) and highest radiation protective efficiency (83.5 %) when compared to other state-of-the-art compositions and lead-containing glasses tested based on mass attenuation coefficients (MAC). It is essential to highlight that the results of comparative studies established that BTGMCe4 glass composition as a viable potential substitute for lead oxide-based glass, thus providing preliminary evidence of a viable ecologically safe method for attenuating low and mid-level energy gamma radiation with our developed glasses have high potential for use in radiation protective applications in both medical and industrial fields.
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Research ethics: Not applicable.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission. K.M.K., M.Y.H, T.Y.W., M.I.S., A.J.K., L.A.N., B.F.N., M.A.: investigation, methodology, writing – original draft.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: No conflict of interest.
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Research funding: None declared.
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Data availability: Data will be available based on request.
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