0.8PbTiO3-0.2Bi(Mg0.5Ti0.5)O3铁电薄膜90°分步畴转与温度效应

0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃铁电薄膜90°分步畴转与温度效应

何东昱(

),刘玉欣

PFM Study of the 90° Step-by-Step Domain Switching and the Temperature Effect in 0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃ Ferroelectric Thin Film

Dongyu HE(

),Yuxin LIU

图5. 电畴翻转速率随直流偏压的变化

Fig.5. The c^- domain area portion dependence on scanning time at the tip bias voltages of 5 and 8 V