Two-dimensional overdamped fluctuations of the soft perovskite lattice in CsPbBr3
Tyson Lanigan-Atkins, Xing He, Matthew Krogstad, Daniel M. Pajerowski, D. L. Abernathy, Guangyong Xu, Zhijun Xu, Duck Young Chung, Mercouri G. Kanatzidis, Stephan Rosenkranz, R. Osborn, Olivier Delaire
Topics & Concepts
AnharmonicityPhononBrillouin zoneCondensed matter physicsSoft modesScatteringPhysicsThermal fluctuationsPerovskite (structure)Lattice (music)ThermalMaterials scienceChemistryOpticsQuantum mechanicsFerroelectricityDielectricMeteorologyCrystallographyAcousticsPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsSolid-state spectroscopy and crystallography