Effect of the Nature of a Halogen Dopant (F, Cl) on the Hydration Processes and State of Oxygen-Hydrogen Groups in Perovskites Based on Ba2CaNbO5.5


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Abstract

Fluoro- and chloro-substituted perovskites based on barium–calcium niobate Ba2CaNbO5.5 are synthesized. The investigated phases’ capability for hydration is established. It is found that the introduction of a dopant does not change the type of proton-containing particles, and the only forms in which protons occurs are energetically unequal ОН groups. It is shown that the introduction of a halide ion lowers the degree of hydration, relative to the matrix composition.

About the authors

N. A. Tarasova

Ural Federal University

Author for correspondence.
Email: Natalia.Tarasova@urfu.ru
Russian Federation, Yekaterinburg, 620002

A. O. Galisheva

Ural Federal University

Email: Natalia.Tarasova@urfu.ru
Russian Federation, Yekaterinburg, 620002

I. E. Animitsa

Ural Federal University

Email: Natalia.Tarasova@urfu.ru
Russian Federation, Yekaterinburg, 620002

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