Structural and radiation shielding simulation of B_2O_3-SiO_2-LiF-ZnO-TiO_2 glasses

摘要

Penta-glasses with a 59B_2O_3-29SiO_2-2LiF-(10 - x) ZnO-x TiO_2 composition with the melt-quench techniques were prepared. X-ray diffraction was used to examine the nature of fabricated glasses. The changes in the structure of fabri-cated glasses were studied by Fourier-transform infrared spectroscopy spectra. The molar volume of fabricated glasses reduces as the density increases. The mechanical characteristics of these glasses were evaluated. Besides, for the studied glasses, Phy-X/PSD and XCOM program were used to investigate the radiation shielding efficiency. These glasses were found to have an abnormal attenuation, structural, and density relationship. Glasses' mass attenuation coefficient (MAC), linear attenuation coefficient (LAC), half-value layer (HVL), tenth value layer (TVL), and effective atomic number (Zeff) were designed to simulate gamma photon energies ranging from 0.015 to 15 meV. MAC values determined with Phy-X/PSD and XCOM were compared and were observed in good agreement with the other.