%0 journal article %@ 0036-0236 %A Ivanov, V.K., Kopitsa, G.P.Baranchikov, A.E.Grigoriev, S.V., Haramus, V. %D 2010 %J Russian Journal of Inorganic Chemistry %N 2 %P 155-161 %R doi:10.1134/S0036023610020038 %T Evolution of Composition and Fractal Structure of Hydrous Zirconia Xerogels during Thermal Annealing %U https://doi.org/10.1134/S0036023610020038 2 %X The mesostructure of amorphous hydrous zirconia xerogels and the products of their heat treatment was studied for the first time using powder X-ray diffraction and small-angle neutron scattering (SANS). The samples prepared at low and high pH values have fundamentally different phase compositions and structures. The high-temperature annealing of hydrous zirconia xerogels is useful for manufacturing materials with controlled surface fractal dimensions.