Ferroelectrics · 1980 · 123 citations · 4 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsSolid State PhysicsSolid-state ChemistryAtomic PolarizabilityFerroelectric MaterialsPerovskite MaterialsPhase TransitionsFerroelectric Phase TransitionsFerroelectric PropertiesFerroelectricityMolecular PolarizabilityOxide Electronic StructureOxide PerovskitesPerovskite FerroelectricsUnit Cell Volume
Abstract The polarizability of O2- is investigated by means of a simple electronic model. While in cubic oxides α is proportional to the cell volume V, in anisotropic and covalent materials α≈Vn (where n is between 3 and 4) in compounds such as the ferroelectric perovskites.
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Electronic Polarizabilities of Ions in Crystals
Jack R. Tessman, Arnold H. Kahn, W. Shockley · Physical Review · 1953 · 1.4K citations
Natural Sciences, Chemistry, Physics +16