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6. 不同温度0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃薄膜铁电纳米畴结构PFM像

Fig.6. PFM images of the 0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃ thin film at 28 ℃ (a), 50 ℃ (b), 70 ℃ (c) and 90 ℃ (d)