Abstract
The conductivities of lithium borosilicate glasses containing 2.5 mol % V2O5, MnO, Cr2O3, Fe2O3 and CoO were measured for untreated and heat-treated glasses (for 5 h at 480, 580 and 680°C). Both IR and X-ray diffraction techniques were used to investigate the microstructure of these glasses before and after heat-treatment. Lithium metasilicate and lithium metaborate were the main separated phases in addition to lithium disilicate in samples containing Fe2O3. The silicon ions are coordinated to four oxygens in tetrahedral coordination and some borons changed from triangular to tetrahedral.
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Sana, A.M., Moustafa, F.A., El-Sharkawy, A.A. et al. Infrared spectra, X-ray investigations and electrical conductivity of lithium borosilicate glasses containing transition metal oxides. J Mater Sci 23, 1553–1557 (1988). https://doi.org/10.1007/BF01115690
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DOI: https://doi.org/10.1007/BF01115690