Y2O3 doped Ba0.9Ca0.1Ti0.9Sn0.1O3 ceramics with improved piezoelectric properties,Journal of the European Ceramic Society

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Y2O3 doped Ba0.9Ca0.1Ti0.9Sn0.1O3 ceramics with improved piezoelectric properties
Journal of the European Ceramic Society ( IF 5.8 ) Pub Date : 2017-10-28 , DOI: 10.1016/j.jeurceramsoc.2017.10.045
Zhi-hui Chen , Zhi-wei Li , Jian-hua Qiu , Tian-xiang Zhao , Jian-ning Ding , Xu-guang Jia , Wei-qin Zhu , Jiu-jun Xu

Lead-free Ba_0.90Ca_0.10Ti_0.90Sn_0.10O₃-xY₂O₃ (BCTSY, x = 0–0.09) ceramics were prepared by traditional solid-state sintering method. All the BCTSY samples showed pure perovskite structures without detectable impurity. Orthorhombic/tetragonal phase coexisted in the sample of x = 0.03 to 0.07. Remarkable enhancement of the electric properties were achieved at x = 0.03 with d₃₃ of 650 pC/N, K_p of 59.6%, and the remnant polarization P_r of 10.2 μC/cm². The strengthened temperature stability of piezoelectricity is beneficial to the application of the piezoceramics.

更新日期：2017-10-28

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