Mechanical features, alpha particles, photon, proton, and neutron interaction parameters of TeO2–V2O3–MoO3 semiconductor glasses

Abstract

Mechanical properties, alpha particles, gamma-ray, proton, and neutron interaction parameters of 40TeO2-(60- x)V2O5-xMoO3: 20 ≤ xMoO3 ≤ 60 mol% (TVM20-TVM60) semiconductor glasses have been investigated. Based on Makishima–Mackenzie's model, the total ionic packing density (Vt) and the total dissociation energy (Gt) for TVM-glasses have been computed. Elastic moduli, hardness, and Poisson's ratio haven been calculated. Utilizing WinXcom and EXABCal computer codes, mass attenuation coefficient (MAC), linear attenuation coefficient (LAC), half value layer (HVL), mean free path (MFP), effective atomic number (Zeff), equivalent atomic number (Zeq), energy absorption and exposure built up factors (EABF and EBF), and fast neutron removal cross section ∑R have been computed. Results reflected that the (Vt) of the TVM-glasses varied from 0.597 to 0.610 (m3/mol), while the (Gt) increased from 63.36 × 106 to 63.48 × 106 (KJ/m3) for TVM20 to TVM60 glasses. The highest elastic features were found for TVM60 glass sample with highest value of MoO3 content. The elastic properties varied from 75.77 to 77.45 GPa for Young's modulus, from 54.67 to 56.70 GPa for bulk modulus, and from 0.267 to 0.272 for Poisson's ratio. The TVM60 glass sample possess the highest MAC, followed by TVM50, TVM40, TVM30, and TVM20, respectively. The maximum HVL was obtained at 8 MeV for all glass samples with values of 5.75, 5.30, 5.05, 4.71 and 4.31 cm for TVM 20, TVM30, TVM40, TVM50, and TVM60, respectively. The TVM60 has a better fast neutron shielding capacity compare to the other glasses. The relative difference between EABF and EBF of the glasses were in the order TVM20 > TVM30 > TVM40 > TVM50 > TVM60. We can say that TVM60 glass can attenuate more photons than TVM20-TVM50 glasses.