Chemistry Letters · 1973 · 13 citations · 0 references
Natural SciencesChemistryMaterials ScienceCrystal StructureInorganic ChemistrySolid-state ChemistryCrystal ChemistryCrystal LatticeCrystal SymmetryCrystallographyLattice SymmetryPerovskite MaterialsCrystal Lattice SymmetryLattice DistortionOrganic-inorganic Hybrid PerovskitesOrthorhombic SystemOxide PerovskitesPerovskite Crystal StructurePerovskite Oxides
Abstract Preparation and lattice distortion of perovskite-type compounds A2+R4+O3 were studied. All of them belong to the same lattice symmetry of orthorhombic Pbnm,that is,they have monoclinic perovskite cells. The magnitude of the monoclinic distortion increases mainly along the diagonal axis of the b-plane of the perovskite cell with the decrease of “tolerance factor”.