Influence of BaF2 on Physical, Optical, Spectroscopic, and Radiation Shielding Investigation of Na2B4O7-10TeO2 Glasses Modified with CuO
Source abstract
Abstract
Borate-based oxy-fluoride glasses have emerged as promising materials due to their low phonon energy and high transparency. Physical properties were calculated and an inverse relation was seen between the density of the glass sample and its molar volume attributed to the crystal densities of the various components of the glass specimen. Optical absorption spectra were used to determine the Urbach energy and optical band gap energy. Fourier transform infrared and Raman spectroscopy showed the presence of metal cation vibrations and vibrations associated with both triangular BO3 and tetrahedral BO4 units, as well as TeO4 groups. Spin-Hamiltonian parameters confirmed that Cu2+ ions occupy tetragonally distorted octahedral sites with dx 2 −y 2 as the ground state. Combined spectral data were utilized to evaluate bonding parameters (α 2, β 2, and β 1 2), showing that the bond between Cu2+ ions and the ligand field is ionic. Assessment of BNTC glasses’ radiation shielding properties was performed using Phy-X/PSD, focusing on attenuation coefficients, mean free paths, and buildup factors. Results indicated energy-dependent shielding trends, with superior performance compared to conventional materials. The effective atomic number (Zeff) and electron density (Neff) revealed a fact that BNTC glasses can be effectively utilised for radiation shielding applications.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Radiation Shielding Materials Analysis · Nuclear materials and radiation effects · Glass properties and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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