4.5 Article

Electronic Polarizability, Optical Basicity, Thermal,Mechanical and Optical Investigations of (65B2O3-30Li2O-5Al2O3) Glasses Doped with Titanate

期刊

JOURNAL OF ELECTRONIC MATERIALS
卷 49, 期 3, 页码 2040-2049

出版社

SPRINGER
DOI: 10.1007/s11664-019-07889-x

关键词

Electronic polarizability; optical basicity; mechanical; thermal; refractive index

资金

  1. Deanship of Scientific Research at King Khalid University (KKU) under the Research Center for Advanced Materials Science [R.G.P2./22/40]

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Titanium-doped and titanium-free lithium borate glasses were prepared using a quenching method and high-purity-grade chemical substances. Structural analysis was carried out by Fourier transform infrared (FT-IR) spectroscopy and mechanical measurement. The states of the produced glasses were examined by x-ray diffraction, and the density (rho) and molar volume (V-m) were determined. The Makishima-Mackenzie model was applied for the prepared glasses. FT-IR confirmed that the concentration of [BO4] was greater than that of [BO3] structural units. These variations confirmed that the compactness of the lithium borate network increased as the concentration of (TiO2/B2O3) increased. The longitudinal (v(L)) and shear (v(T)) velocities of the samples with varying concentrations of (TiO2/B2O3) were found to increase, along with the elastic moduli. The thermal stability, energy gap, and refractive index of the prepared glasses increased as the concentration of (TiO2/B2O3) was increased.

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