Recent progress on integrating two-dimensional materials with ferroelectrics for memory devices and photodetectors*
Wang Jianlu, Hu Weida
       

(color online) (a) Typical ferroelectric hysteresis curve. is the remnant polarization, and is the coercive electric field. (b) Perovskite structure, similar to many ferroelectrics derived from the or , is belonging to structure. (c) Ferroelectric PVDF structure with all-trans chain.