Figure 6

P–E hysteresis loop measured at different temperatures for the NBT–BT thin film. (a) 25 °C, (b) 80 °C, (c) 140 °C, (d) 200 °C, (e) 260 °C, (f) 300 °C.

P–E hysteresis loop measured at different temperatures for the NBT–BT thin film. (a) 25 °C, (b) 80 °C, (c) 140 °C, (d) 200 °C, (e) 260 °C, (f) 300 °C.