Abstract
Barium-substituted lanthanum manganite (La1−xBaxMnO3) powders have been synthesized by a novel autoignition technique, and the effect of barium content on the autoignition characteristics, stability of the compound, and the powder characteristics have been investigated. X-ray examinations show that the material exists as a single phase having perovskite structure up to 40 at. % substitution of Ba for La, beyond which mixed phases of LaMnO3 and BaMnO3 are formed at least up to the highest limit of substitution (50 at. %) and calcination temperature (1350 °C) investigated. Electrical conductivity and thermal expansion behavior of the material have been studied for plausible use as cathode material in solid oxide fuel cells.
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Chakraborty, A., Devi, P.S. & Maiti, H.S. Low temperature synthesis and some physical properties of barium-substituted lanthanum manganite (La1−x BaxMnO3). Journal of Materials Research 10, 918–925 (1995). https://doi.org/10.1557/JMR.1995.0918
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DOI: https://doi.org/10.1557/JMR.1995.0918