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New Barium Cobaltite Series Ba<i><sub>n</sub></i><sub>+1</sub>Co<i><sub>n</sub></i>O<sub>3</sub><i><sub>n</sub></i><sub>+3</sub>(Co<sub>8</sub>O<sub>8</sub>): Intergrowth Structure Containing Perovskite and CdI<sub>2</sub>-Type Layers
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Citations
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References
2006
Year
Materials ScienceOxide HeterostructuresInorganic ChemistryNew CobaltitesPerovskite BlockEngineeringMaterial AnalysisLead-free PerovskitesCrystal Growth TechnologyInorganic MaterialApplied PhysicsCondensed Matter PhysicsSolid-state ChemistryHalide PerovskitesFunctional MaterialsChemistryHigh TemperatureCrystallography
Single crystals of two new cobaltites, Ba2Co9O14 and Ba3Co10O17, were obtained from the flux of K2CO3 in the temperature range 800-890 degrees C. They crystallize in an intergrowth structure containing perovskite block and CdI2-type layers and can be attributed to the n = 1 and 2 members in a new intergrowth series of cobaltites, Ba(n+1)Co(n)O(3n+3)(Co8O8). Both Ba2Co9O14 and Ba3Co10O17 are metastable and transform into the known 2H-perovskite-related oxides at high temperature.
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