Abstract
The structural position of Ti4+ ions in TiO2-Na2O-SiO2 glasses of xTiO2 · (100 − x) [2Na2O · 3SiO2] (0 ≤ x ≤ 30) composition has been studied with Raman spectroscopy. The analysis of spectra recorded has demonstrated that Ti4+ ions in the studied glasses can be in two structural groups—TiO5 and TiO6. Titanium ions with a coordination number of 5 are present in the structure of all Ti-containing glasses, whereas the highly coordinated state exists at x > 10 mol % TiO2.
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Original Russian Text © A.A. Osipov, G.G. Korinevskaya, L.M. Osipova, V.A. Muftakhov, 2012, published in Fizika i Khimiya Stekla.
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Osipov, A.A., Korinevskaya, G.G., Osipova, L.M. et al. Titanium coordination in TiO2-Na2O-SiO2 glasses of xTiO2 · (100 − x) [2Na2O · 3SiO2] (0 ≤ x ≤ 30) composition based on Raman spectroscopy. Glass Phys Chem 38, 357–360 (2012). https://doi.org/10.1134/S1087659612040098
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DOI: https://doi.org/10.1134/S1087659612040098