期刊
INORGANIC MATERIALS
卷 54, 期 6, 页码 568-574出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0020168518060158
关键词
TiOy titanium monoxide; high-energy milling; nanocrystal; structural transformations; electronic structure
资金
- Russian Science Foundation [14-23-00025]
A Ti9O10 nanophase (sp. gr. Immm) has been synthesized via high-energy milling followed by prolonged high-temperature vacuum heat treatment of nonstoichiometric TiO (y) 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.
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