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Title: Mechanism of Anodic Growth of Tubular Titania
Authors: Lazarouk, S. K.
Kupreeva, O. V.
Tsirkunov, D. A.
Sasinovich, D. A.
Dudich, V. V.
Rabatuev, G. G.
Лазарук, С. К.
Купреева, О. В.
Сасинович, Д. А.
Дудич, В. В.
Keywords: публикации ученых
anodic titania
tubular structure
growth mechanism
Issue Date: 2020
Publisher: Физико-технический институт им. А. Ф. Иоффе Российской академии наук, РФ
Citation: Mechanism of Anodic Growth of Tubular Titania / S. K. Lazarouk [et. al.] // Technical Physics. – 2020. – Vol. 65. – P. 715–722. – DOI: 10.1134/S1063784220050138.
Abstract: The anodic growth conditions of titania with a tubular structure are investigated. We propose a mechanism of anodic growth of tubular titania, which presupposes that electrochemical oxidation of titanium is predominantly confined to the bottom of pores in a barrier layer, i.e., where the anodic current density is higher, which causes a temperature rise in these regions. As the barrier layer temperature exceeds a certain threshold, the structure of growing oxide changes from the commonly obtained porous honeycomb-like structure to a tubular one. The proposed mechanism is supported by experimental results.
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