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A series of six samples were prepared based on the chemical composition of 65B 2 O 3  + 20ZnO + (15-x)LiF + xSnO 2 ( where x = 0, 0.25, 0.5, 0.75, 1, and 1.25 mol%) to study the role of SnO 2  on enhancing the optical and radiation attenuation capacity of the prepared glasses. The preparation of the glass series was performed using the melt quenching method at 1100 °C for 60 min. The density of the fabricated samples was measured using an MH-300A densimeter. The optical parameters of the fabricated glasses were calculated based on the spectrum recorded by a Cary 5000 UV–Vis–NIR double beam spectrophotometer in a wavelength range of 200 to 3000 nm. Furthermore, Monte Carlo simulation code and the XCOM online database were used to estimate the gamma-ray shielding capacity of the fabricated samples from 0.244 to 2.506 MeV. The results show enhanced gamma-ray shielding capacity due to the replacement of LiF by SnO 2 . The linear attenuation coefficient at 0.244 MeV was enhanced from 0.352 to 0.389 cm −1 . The half-value thickness of the investigated glasses decreased from 1.967 to 1.784 cm when the increasing addition of SnO 2  from 0 to 1.25 mol%.

Influence of increasing SnO2 content on the mechanical, optical, and gamma-ray shielding characteristics of a lithium zinc borate glass system