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3. 0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃铁电薄膜表面电畴反转过程的实时PFM像

Fig.3. PFM images of domain switching on 0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃ ferroelectric thin film showing domain evolution with a tip electric field applied to the sample for 0 min (a), 16 min (b) and 36 min (c) (The marked areas showing the same areas)