, Volume 40, Issue 11, pp 1233-1238

Structure of Nanocrystalline Titania Ceramics Studied by X-ray Diffraction, Atomic Force Microscopy, and Thermal Phonon Kinetics

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Abstract

The structure of TiO2 nanocrystalline ceramics prepared from two types of nanopowders by shock compression followed by sintering in a conventional resistance furnace or via microwave heating is investigated by x-ray diffraction, x-ray photoelectron spectroscopy, atomic force microscopy, and thermal phonon kinetics. The results demonstrate that microwave sintering ensures a denser ceramic microstructure as compared to conventional sintering. Data are presented on the structure and thickness of intergranular films in the titania ceramics prepared by the two sintering processes.