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Structure and morphology of cobalt doped cubic–rhombohedhral In2O3
- Authors: Ikim M.I.1, Erofeeva A.R.1, Spiridonova E.Y.1, Gromov V.F.1, Gerasimov G.N.1, Trakhtenberg L.I.1,2
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Affiliations:
- Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
- Lomonosov Moscow State University
- Issue: Vol 43, No 12 (2024)
- Pages: 113-118
- Section: ХИМИЧЕСКАЯ ФИЗИКА НАНОМАТЕРИАЛОВ
- URL: https://vestnikugrasu.org/0207-401X/article/view/684183
- DOI: https://doi.org/10.31857/S0207401X24120115
- ID: 684183
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Abstract
The influence of cobalt additives on the phase composition, structural parameters, and morphology of indium oxide containing a mixture of crystalline phases has been studied. The hydrothermal synthesis method was used to obtain the corresponding systems. It has been shown that during the hydrothermal reaction, a mixture of phases of indium hydroxide and oxihydroxide is formed, which, in turn, after thermal decomposition, transform into cubic and rhombohedral indium oxide, respectively. Depending on the concentration of the introduced cobalt, the ratio between the phases changes. At a concentration of 0.05 at.% Co, the cubic phase prevails, while at an introduction of 0.25 at.% the rhombohedral compared to the undoped sample. An increase in the concentration of cobalt leads to a decrease in the particle size, as well as an increase in the specific surface area and porosity of the composites. At the same time, the introduction of cobalt does not significantly affect the morphology of the resulting systems.
About the authors
M. I. Ikim
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
Author for correspondence.
Email: ikimmary1104@gmail.com
Russian Federation, Moscow
A. R. Erofeeva
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
Email: ikimmary1104@gmail.com
Russian Federation, Moscow
E. Yu. Spiridonova
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
Email: ikimmary1104@gmail.com
Russian Federation, Moscow
V. F. Gromov
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
Email: ikimmary1104@gmail.com
Russian Federation, Moscow
G. N. Gerasimov
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences
Email: ikimmary1104@gmail.com
Russian Federation, Moscow
L. I. Trakhtenberg
Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences; Lomonosov Moscow State University
Email: ikimmary1104@gmail.com
Russian Federation, Moscow; Moscow
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