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In situ study of the temperature stability of TiO1.05 titanium monooxide using synchrotron radiation |
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| Authors: | A. A. Valeeva S. V. Tsybulya A. A. Rempel |
| Affiliation: | 1510. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620990, Russia 2510. Ural Federal University named after First President of Russia B.N. Yeltsin, Yekaterinburg, 620002, Russia 3510. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia |
| Abstract: | The temperature stability of cubic TiO1.05 titanium monooxide is investigated. An in situ X-ray structural analysis is performed using synchrotron radiation in a high temperature vacuum chamber. It is found that under poor vacuum and at high heating rates of up to 1250°C, the structural transformations in TiO1.05 occur at 630°C. In particular, there is a phase transition from TiO1.05 (space group Fm-3m) to rhombohedraic Ti2O3 (space group R-3c) via Ti2.5O3 (space group Immm). |
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