Piezoelectric scattering of optical polaron in halide perovskites

Ming-Hui Zhang, Ming-Liang Zhang

For the intrinsic carriers of MAPbBr${}_3$, the temperature $T$ dependent mobility $\mu (T)$ of behaves like $\mu \propto T^{-1/2}$ in piezoelectric tetragonal phase, $\mu \propto T^{-1.4}$…