Oxygen content and defect structure of the perovskite La0.5Ba0.5CoO3–δ
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 1000–110...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Ural Federal University
2018-07-01
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| Series: | Chimica Techno Acta |
| Subjects: | |
| Online Access: | https://chimicatechnoacta.ru/article/view/3299 |
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| Summary: | 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. |
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| ISSN: | 2411-1414 |