Spin dynamics of electrons, holes, and excitons in lead-halide perovskite semiconductors
spin polarization at cryogenic temperatures in bulk perovskite crystals with near-cubic (FA₀.₉Cs₀.₁PbI₂.₈Br₀.₂, FAPbBr₃) and orthorhombic (MAPbI₃, CsPbBr₃) symmetries has high degree of optical orientation …