Dispersion Parameters, Polarizability, and Basicity of Lithium Phosphate Glasses

02 engineering and technology 0210 nano-technology
DOI: 10.1007/s11664-021-08921-9 Publication Date: 2021-04-28T00:03:10Z
ABSTRACT
The melt-quenching technique has been used to manufacture glasses in the $$(70-x)$$ P2O5-25Li2O-5Al2O3- $$x$$ TiO2 $$(0\le x \ge 25)$$ system. XRD analysis was applied to examine the crystalline nature of the samples. The absorbance and reflectance were measured and the optical characteristics determined for the prepared glasses at room temperature. Nonbridging oxygen creation was observed, being due to the increase in the concentration of titanium oxide. Therefore, a reduction of the refractive index and energy gap of these glasses was recorded. The polarizability and basicity of the glasses were calculated from the refractive index and bandgap measurement results, revealing the same behavior as observed for the refractive index. The dispersion relationships are applied to evaluate the influence of titanium oxide on these parameters.
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