Photon Shielding Performance of Teo2-Doped Calcium-Phosphosilicate Glass for Brachytherapy Applications
DOI:
https://doi.org/10.33003/fjs-2026-1019-4775Keywords:
Radiation shielding, Calcium-phosphosilicate, SoftwareAbstract
In this research work, the radiation shielding performance of calcium-phosphosilicate bioactive glass system doped with tellurium dioxide at different mole concentration was investigated. A theoretical investigation was carried out using WinXcom software and Phy-x/PSD online software at the energy range of 0.1 to 10MeV to study the shielding properties of the bioactive glass. The mass attenuation coefficient (MAC) at 1.3 cm2/g shows a smooth reduction as energy increases with a sudden spike at 0.07 MeV for all samples except for sample CPST1 which showed no peak. The sudden increase in MAC value indicate an absorption edge due to the presence of TeO2 in sample CPST2-CPST6.The values of linear attenuation coefficient (LAC), halve-value layer (HVL), tenth value layer (TVL), mean free path (MFP) and effective atomic number (Zeff) were calculated by substituting the results obtained for MAC into their relations. The trend of linear attenuation coefficient follow a similar trend to that of mass attenuation coefficient. The trend of mean-free path increases linearly with increasing energy. Similar to mean-free path, the half-value layer and tenth-value layer increases linearly with increasing energy. The effective atomic number decreased drastically from 0.010 to 0.500 MeV photon energy, and increases gently afterward. The results obtained for the bioactive glass samples were compared with experiment results of previous studies and were found to be in good agreement at all energies. As a result of the glass shielding competency, it can be employed in thyroid and cervical cancer treatment for organs protection against radiation.
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Copyright (c) 2026 Abdulaziz Marafa, Idris M. Mustapha, Umar Ibrahim, Mohammed Musa
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