Journal of the American Chemical Society · 2005 · 132 citations · 16 references
Natural SciencesChemistryMaterials ScienceCrystal StructureInorganic ChemistrySolid State PhysicsFerroelectric MaterialsMultiferroic MaterialsBimetallic OxidesFerroelectric StructureHarmonic GenerationMultiferroic OxidesPowder DiffractionPowder Diffraction AnalysisPowder Neutron DiffractionSecond-harmonic Generation
With neutron powder diffraction, electron diffraction, and second-harmonic generation, we have shown that BiScO3 has a structure closely related to that of multiferroic BiMnO3, but BiScO3 crystallizes in the centrosymmetric space group of C2/c. These results bring up a question about the origin of ferroelectricity in BiMnO3. BiScO3 may serve as a model system to understand the role of Mn3+ ions in the ferroelectricity of BiMnO3.
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