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High-temperature properties of new perovskite-like oxides


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Abstract

New complex oxides of composition Pr1–yCayFe0.5 + x(Mg0.25Mo0.25)0.5–xO3, 0.0 ≤ x ≤ 0.1, 0.42 ≤ y ≤ 0.8 having an orthorhombically distorted perovskite structure have been prepared. The thermal expansion and electric conductivity of the new phases have been studied in the temperature range between 100–900°C. The results of our study imply that thin films of the oxides studied can be treated as electrode materials for symmetric solid-oxide fuel cells.

About the authors

S. Ya. Istomin

Department of Chemistry

Author for correspondence.
Email: istomin@icr.chem.msu.ru
Russian Federation, Moscow, 119992

A. P. Ber

Department of Chemistry

Email: istomin@icr.chem.msu.ru
Russian Federation, Moscow, 119992

N. V. Lyskov

Institute of Problems of Chemical Physics

Email: istomin@icr.chem.msu.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432

E. V. Antipov

Department of Chemistry

Email: istomin@icr.chem.msu.ru
Russian Federation, Moscow, 119992

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