Samples of the solid solutions Zr0.9Y0.1O2–δ–BiScO3 and Ce0.9Y0.1O2–δ–BiScO3 were obtained by solid-phase synthesis. X-ray diffraction revealed that the system Zr0.9Y0.1O2–δ–BiScO3 corresponds to a tetragonal structure with space symmetry group P42/nmc. The ceramic Ce0.9Y0.1O2–δ–BiScO3 is two-phase and is characterized by a cubic structure with space symmetry group \(Fm\overline{3 }m\) and Ia–3. It was ascertained by means of impedance spectroscopy that the system Ce0.9Y0.1O2–δ–BiScO3 has the highest electrical conductivity, but the activation energy is lower in the ceramic Zr0.9Y0.1O2-δ–BiScO3, equal to 0.3 eV in the temperature range 420 – 680°C. The activation energy of the solid solution Ce0.9Y0.1O2–δ–BiScO3 is equal to 1.0 eV.
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Translated from Steklo i Keramika, No. 6, pp. 54 – 59, June, 2023.
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Sudzhanskaya, I.V., Sotnikova, V.S. M0.9Y0.1O2–δ–BiScO3 (M = Zr, Ce) — Preparation, Structure, and Ionic Conductivity. Glass Ceram 80, 250–253 (2023). https://doi.org/10.1007/s10717-023-00592-8
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DOI: https://doi.org/10.1007/s10717-023-00592-8