Effect of Annealing Conditions on the Formation of a Nanocrystalline Phase in TiOx Films
- Autores: Nezhdanov A.1, Baratta M.2, De Filpo G.2, Markelov A.1, Andrianov A.1, Pavlov D.1, Ershov A.1, Skrylev A.1, Vinogradova L.1, Shestakov D.1, Zhukov A.1, Mashin A.1
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Afiliações:
- National Research Lobachevsky State University of Nizhny Novgorod
- Dipartimento di Chimica e Tecnologie Chimiche (CTC), Università della Calabria
- Edição: Nº 10 (2023)
- Páginas: 41-46
- Seção: Articles
- URL: https://journals.rcsi.science/1028-0960/article/view/141025
- DOI: https://doi.org/10.31857/S1028096023100163
- EDN: https://elibrary.ru/TLETVY
- ID: 141025
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Resumo
Annealing of amorphous TiOx films obtained by electron-beam evaporation under atmospheric conditions at temperatures from 300 to 400°C is found to lead to the formation of an anatase crystalline phase. According to Raman spectroscopy data, the increase in the fraction of the the crystalline phase stops at an annealing temperature above 350°C. According to the results of X-ray phase analysis, the average crystallite diameter is about 23 nm. Electron microscopy studies have shown that, upon annealing, the near-surface layer (15 nm thick) crystallizes in the films, and TiO2 nanocrystals with sizes from 4 to 10 nm are formed in the bulk. As the depth increases, the number of nanocrystals decreases.
Sobre autores
A. Nezhdanov
National Research Lobachevsky State University of Nizhny Novgorod
Autor responsável pela correspondência
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
M. Baratta
Dipartimento di Chimica e Tecnologie Chimiche (CTC), Università della Calabria
Email: nezhdanov@phys.unn.ru
Italy, 87036, Rende, Cosenza
G. De Filpo
Dipartimento di Chimica e Tecnologie Chimiche (CTC), Università della Calabria
Email: nezhdanov@phys.unn.ru
Italy, 87036, Rende, Cosenza
A. Markelov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
A. Andrianov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
D. Pavlov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
A. Ershov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
A. Skrylev
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
L. Vinogradova
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
D. Shestakov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
A. Zhukov
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
A. Mashin
National Research Lobachevsky State University of Nizhny Novgorod
Email: nezhdanov@phys.unn.ru
Russia, 603022, Nizhny Novgorod
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