4.5 Article

Physical, Optical, and Radiation Shielding Features of Yttrium Lithium Borate Glasses

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SPRINGER
DOI: 10.1007/s10904-022-02321-0

关键词

Y2O3; Polarizability; Basicity; Shielding

资金

  1. Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R32]
  2. King Khalid University [R.G.P. 1/277/42]

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Glass samples with different concentrations were fabricated and their structural, optical, and radiation shielding characteristics were evaluated. The results showed that as the concentration of Y2O3 increased, the optical properties and refractive index of the samples increased, while the Urbach's energy decreased. It was also found that G5 had stronger photon shielding capability compared to the other glasses.
Glass series with the composition 72 B2O3-(28 - x) Li2O-x Y2O3: x = 0, 2, 4,8, and 12 mol% was fabricated using the melt quenching procedure. The structural, optical, and radiation shielding characteristics have been estimated. As the concentration of Y2O3 increased, the optical bandgap (direct and indirect), and refractive index of fabricated samples increased, while Urbach's energy declined. Dispersion parameters of the fabricated samples were determined. The gamma attenuation variables of manufactured samples were detected with the Phy-X/PSD code. The highest MAC values were found at low energies, indicating that it could be used as a gamma radiation absorber. G 1 presented the maximum MFP and HVL, while G 5 has the slightest MFPs and HVLs. Z(eff) value s decreases with an increase of Y2O3. So, these results indicate that G 5 has stronger photon shielding than the other glasses.

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