Material characterization of mixed glass-former sodium germanophosphate glasses

Successful models originally developed to describe how the structure of mixed glass formers with a wide range of glass compositions. The model results have been compared with the X-ray diffraction and neutron diffraction data in terms of structure factors, bond distances, coordination numbers and connectivity. The structure factor comparison reveals a reasonable agreement between the model and experimental results, supporting the proposed structural arrangement. The model’s outcomes are closely aligned with the experimental data, taking into account the uncertainties reported in the measurements. The intermediate structural ordering in glasses has been investigated by calculating both the total structure factors and the partial pair correlation functions. Although the glass-modifying ions, [Formula: see text], are partially shared between the two glass-forming species, the modification of the phosphate component is favored. The effect of [Formula: see text] addition on the network connectivity of the glass matrix has been explored. Sodium acts as a modifier and tends to interact more with the phosphate component of the network than with the germanate component. The Structural properties of the mixed glass former depend on the nature and concentration of the alkali modifiers and the concentrations of each glass former. The current model highlights the local environment of Ge–Ge and Ge–P to gain insight into the connectivity between glass formers polyhedra.