Abstract
In this paper radiation shielding characteristics of tellurium glasses materials for radiation protection have been studied. The effect of different TiO2 contents in 75TeO2-Na2O-(20-x) BaO-xTiO2 (x = 0, 5, 10 and 15) glass samples are investigated on the shielding behavior, acoustic and physical parameters. However, some structural properties such as Molar Volume, Oxygen Molar Volume and Oxygen Packing Density are studied by using the Phy-X/PSD program and Monte Carlo simulations (with GEANT4 and MCNPX2.6.0 codes) in the photon energies of 0.284, 0.347, 0.511, 0.662, 0.826, and 1.173 MeV. The total trends of calculated LAC values in all four alloy glasses show that they are inversely proportional to the photon energy. It shows the abnormal behavior of Linear Attenuation Coefficient value at one point in low energies (sudden leapfrog peak between 0.3 MeV and 0.4 MeV) are shown by derived results by PhyX/PSD and GEANT4, which can be described by tellurium k-edge (in about 0.032 MeV). Finally, it can be informed that by increasing photon energy TNB-Ti15 sample has the best quality in radiation properties and a good choice for radiation protecting in various purposes such as medicine fields.
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