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7. 压电响应信号随温度的变化

Fig.7. Variation of piezoresponse (PR) contrast of the 0.8PbTiO₃-0.2Bi(Mg_0.5Ti_0.5)O₃ thin film with temperature