Tailoring the structural and functional properties of B2O3-PbO2-BaO-CaO-Sm2O3 glass system for potential radiation shielding applications
Source abstract
Abstract
This study investigates the physical, structural, and radiation shielding properties of a B 2 O 3 -PbO 2 -BaO-CaO-Sm 2 O 3 glass. The density increases (3.953–4.388 g/cm 3 ) with higher BaO and Sm 2 O 3 content due to the incorporation of heavier elements. The molar volume shows non-linear trends attributed to competing effects of Sm 3+ ion incorporation and network disruption. The FTIR spectroscopy revealed structural changes. The formation of non-bridging oxygen (NBO) improves with rising Sm 2 O 3 content. The elastic moduli decrease with Sm 2 O 3 content. The mass attenuation coefficients (MAC) are investigated at energies corresponding to those emitted from Eu-152 source using Phy-X software. The MAC at 0.122 MeV was found to range from 1.179 to 1.264 cm 2 /g. The effective atomic number for 1 S m sample shows a high value of 46.33 at 0.122 MeV. The half value layer for 1 S m sample is 0.149 cm at 0.122 MeV. Among the prepared glasses, the glass with the composition 11PbO 2 -25BaO-10CaO-50B 2 O 3 -4Sm 2 O 3 exhibited the highest MAC.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Radiation Shielding Materials Analysis · Glass properties and applications · Nuclear materials and radiation effects
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (48)
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