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- Title
A New Ti<sub>9</sub>O<sub>10</sub> Nanophase Prepared by Heat-Treating Nonstoichiometric Milled TiO<sub>y</sub> Nanopowder.
- Authors
Valeeva, A. A.; Kostenko, M. G.; Nazarova, S. Z.; Gerasimov, E. Yu.; Rempel, A. A.
- Abstract
A Ti9O10 nanophase (sp. gr. Immm) has been synthesized via high-energy milling followed by prolonged high-temperature vacuum heat treatment of nonstoichiometric TiOy titanium monoxide. The atomic structure and microstructure of Ti9O10 have been investigated by X-ray powder diffraction and high-resolution transmission electron microscopy. According to quantum-chemical calculation results, macrocrystalline Ti9O10 is less energetically favorable than a disordered cubic phase of the same composition, TiO10/9, so the formation of the former phase is due to size effects.
- Subjects
TITANIUM dioxide nanoparticles; NONSTOICHIOMETRIC compounds; HEAT treatment; NANOPARTICLE synthesis; MECHANICAL alloying
- Publication
Inorganic Materials, 2018, Vol 54, Issue 6, p568
- ISSN
0020-1685
- Publication type
Article
- DOI
10.1134/S0020168518060158