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Title: Oxygen content and defect structure of the perovskite La0.5Ba0.5CoO3–δ
Authors: Malyshkin, D. A.
Novikov, A. Yu.
Tsvetkov, D. S.
Issue Date: 2018
Publisher: Уральский федеральный университет
Citation: Malyshkin D. A. Oxygen content and defect structure of the perovskite La0.5Ba0.5CoO3–δ / D. A. Malyshkin, A. Yu. Novikov, D. S. Tsvetkov // Chimica Techno Acta. — 2018. — Vol. 5, No. 2. — P. 117–124.
Abstract: Perovskite-type complex oxide La0.5Ba0.5CoO3–δ, promising cathode material for solid oxide fuel cells and precursor for synthesis of double perovskite LaBaCo2O6–δ, was prepared as a single-phase material. Its oxygen content was measured by two independent techniques in the temperature range 1000–1100 °C and at oxygen partial pressures corresponding to the stability field of cubic phase. The defect chemistry of this material was studied using the measured δ = f(pO2, T) dependences. The defect structure model based on the localized nature of the electronic defects was proposed and successfully verified.
ISSN: 2409-5613 (Print)
2411-1414 (Online)
DOI: 10.15826/chimtech.2018.5.2.04
Origin: Chimica Techno Acta. 2018. Vol. 5. № 2
Appears in Collections:Chimica Techno Acta

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