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Title: Developed selenium dioxide-based ceramics for advanced shielding applications: Au2O3 impact on nuclear radiation attenuation
Authors: Elshami, W.
Tekin, H. O.
Al-Buriahi, M. S.
Hegazy, H. H.
Abuzaid, M. M.
Issa, S. A. M.
Zaid, M. H. M.
Sidek, H. A. A.
Matori, K. A.
Zakaly, H. M. H.
Issue Date: 2021
Publisher: Elsevier B.V.
Citation: Developed selenium dioxide-based ceramics for advanced shielding applications: Au2O3 impact on nuclear radiation attenuation / W. Elshami, H. O. Tekin, M. S. Al-Buriahi, et al. — DOI 10.1016/j.rinp.2021.104099 // Results in Physics. — 2021. — Vol. 24. — 104099.
Abstract: The current research article aims to study the radiation shielding competence of a newly developed PbO-B2O3-SeO2-Er2O3:Au2O3 glass ceramic. The concentrations of the constituent oxides were 40, 10, 49.5, and 0.5 mol % for PbO, B2O3, SeO2, and Er2O3, respectively. The studied ceramic specimens were denoted by EA0, EA25, EA50, EA75 and EA100, and their density values were 5.87, 5.92, 5.94, 6.09, and 6.10 g/cm3, respectively. The radiation shielding competence and photon buildup factors of the present ceramics were investigated under the Au2O3/SeO2 substitution with ratio up to 0.1 mol %. The obtained results reveal that the MAC values were reported with 0.233 cm2/g difference between the minimum and the maximum Au2O3 reinforced samples. The highest MAC values were reported for EA100 sample, which has the highest Au2O3 additive in its chemical structure. At 4 MeV photon energy, HVL values were reported as 3.2658 cm, 3.2352 cm, 3.2212 cm, 3.139 cm and 3.1309 cm for EA0, EA25, EA50, EA75 and EA100, respectively. Moreover, the highest values of EBF were observed for the EA100, and the lowest values of EBF were observed for EA0. Therefore, it can be concluded that the present ceramics possess high level shielding competence to use for various applications of gamma radiation. © 2021
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85104998861
PURE ID: 21870449
ISSN: 22113797
DOI: 10.1016/j.rinp.2021.104099
metadata.dc.description.sponsorship: The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University for the financial support through research groups program under grant number (R.G.P2/98/41).
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