Spontaneous flexoelectricity in cubic lead-halide perovskite MAPbBr${}_3$

Dmytro Rak, Dusan Lorenc, Ayan A. Zhumekenov +2

Lead-halide perovskites exhibit remarkable efficiency in photovoltaics, driven by exceptionally long carrier diffusion lengths and recombination times. Paradoxically, this performa…