Influence of high energy milling on titanium oxide Ti3O5 crystal structure
https://doi.org/10.17586/2220-8054-2023-14-1-107-111
Abstract
The titanium oxide (Ti3O5) microcrystals were synthesized by using solid-phase sintering from a mixture of titanium Ti and titanium dioxide TiO2 powders. Subsequently, Ti3O5 nanocrystals were produced by using high-energy ball milling for 15 – 480 minutes. A full-profile analysis of the X-ray diffraction spectra of milled Ti3O5 powders showed that high-energy milling does not lead to disordering or changing of the structure and stoichiometry, the structure remains monoclinic (sp. gr. C2/m), and XRD reflections are broadened due to the small particle size and microdeformations. Experimental data show that increasing of the milling time leads to decreasing of the coherent scattering regions up to 26 nm, increasing of the powder volume fraction of the nanophase up to 81 %, and increasing of microdeformations value. The morphology and the surface area of milled nanopowders were examined by SEM, HRTEM and BET techniques.
Supporting agencies: The work was carried out in accordance with the state assignment for the Institute of Solid State Chemistry of the Ural Branch of the Russian Academy of Science (No. 0397-2019-0001). Authors thanks to Gerasimov E. Yu. for HRTEM experiments.
About the Authors
A. A. Valeeva
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Albina A. Valeeva,
620108, Ekaterinburg.
I. B. Dorosheva
Ural Federal University; Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Irina B. Dorosheva,
620002, Ekaterinburg.
A. A. Sushnikova
Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Anna A. Sushnikova,
620016 Ekaterinburg.
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Review
For citations:
Valeeva A.A., Dorosheva I.B., Sushnikova A.A. Influence of high energy milling on titanium oxide Ti3O5 crystal structure. Nanosystems: Physics, Chemistry, Mathematics. 2023;14(1):107-111. https://doi.org/10.17586/2220-8054-2023-14-1-107-111
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