Abstract
Samples with nanoscale η-TiO2 phase have been obtained by sulfate and modified sulfate methods and are characterized by a complex of techniques: X-ray diffraction, electron diffraction, small-angle X-ray scattering (SAXS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy, and X-ray energy-dispersive analysis. The effect of sample formation conditions on the size and shape of crystallites, content of the amorphous component in the samples, and their elemental composition has been established. A significant change (depending on the synthesis conditions) in the parameters of the diffraction reflection with d ∼ 17–21 Å (intensity and interplanar spacing d, Å), pronounced for η-TiO2, is revealed. This change is most likely related to the variation in the content of water molecules in the interlayer space of η-TiO2 structure and/or the change in crystallite shape.
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Dedicated to the International Year of Crystallography
Original Russian Text © G.M. Kuzmicheva, A.A. Gainanova, A.S. Orekhov, V.V. Klechkovskaya, N.V. Sadovskaya, V.V. Chernyshov, 2014, published in Kristallografiya, 2014, Vol. 59, No. 6, pp. 1008–1014.
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Kuzmicheva, G.M., Gainanova, A.A., Orekhov, A.S. et al. Peculiarities of the microstructure of a nanoscale modification of η-TiO2 . Crystallogr. Rep. 59, 916–922 (2014). https://doi.org/10.1134/S1063774514050101
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DOI: https://doi.org/10.1134/S1063774514050101