fig5

Figure 5. (A) The P-E loops of PZO-based films at 800 kV/cm, and corresponding (C) the polarization difference value of Δ P (Pmax - Pr). (B) The I-E loops of PZO-based films at 800 kV/cm, and corresponding (D) the switching field value of Δ E (EF - EA). PZO: PbZrO3.