Symmetry breaking of A<sub>3</sub>M<sub>2</sub>X<sub>9</sub>-type perovskite derivatives induced by polar quaternary ammonium cations: achieving efficient nonlinear optical properties
Jiajing Wu, Yue Guo, Wen‐Dong Yao, Wenlong Liu, Sheng‐Ping Guo
Abstract
(A = monovalent cations; M = trivalent metal ions; and X = halide ions) NLO crystals but also provides the possibilities for further designing novel lead-free semiconducting piezoelectric, pyroelectric and ferroelectric materials.
Topics & Concepts
Perovskite (structure)Second-harmonic generationHalideFerroelectricityBismuthPyroelectricityMaterials scienceMetal halidesPolarIonInorganic chemistryBand gapChemistryCrystallographyDielectricOptoelectronicsOrganic chemistryOpticsMetallurgyAstronomyPhysicsLaserPerovskite Materials and ApplicationsCrystal Structures and PropertiesSolid-state spectroscopy and crystallography