Preparation of TiO2-Na2O glass by sol-gel method and structural characterization
2007
Abstract The applicability of sol–gel process in glass formation of binary system, (100 − x )TiO 2 – x Na 2 O ( x = 10, 20, 30), was investigated and the glasses were prepared successfully by the sol–gel process for the first time. The process of glass formation was checked by using X-ray diffraction measurement and DTA–TG analysis. In the baking step, a DTA peak related to the crystallization of gel was found. The short-range structure of glassified samples was studied by neutron scattering measurement. It is found from the results of neutron scattering measurement that the coordination number of O atom around Ti atom is about 4, and the O atoms around Ti atom form a planer square rather than a regular tetrahedron.
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