Remarkably high-temperature stable piezoelectric properties of Bi(Mg0.5Ti0.5)O3 modified BiFeO3-BaTiO3 ceramics

被引：107

作者：

Zhou, Changrong ^{[1
]}

Feteira, Antonio ^{[2
,3
]}

Shan, Xu ^{[1
]}

Yang, Huabin ^{[1
]}

Zhou, Qin ^{[1
]}

Cheng, Jun ^{[1
]}

Li, Weizhou ^{[4
]}

Wang, Hua ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541004, Guangxi, Peoples R China

[2] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England

[3] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[4] Guangxi Univ, Sch Mat Sci & Engn, Nanning 530004, Guangxi, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 03期

关键词：

SOLID-SOLUTION; FERROELECTRICS;

D O I：

10.1063/1.4736724

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Dense (1-y)BiFe1-x(Mg0.5Ti0.5)(x)O-3 - yBaTiO(3) (BFMT-BT, y - 0.29, x - 0-0.12) ceramics with a pseudocubic perovskite crystal structure exhibit remarkably high-temperature stable piezoelectric properties. In particular, x - 0.03 BFMT-BT ceramics, with a Curie temperature, T-c, of similar to 425 degrees C, show a stable piezoelectric coefficient, d(33), of similar to 155 pC/N up to a depolarization temperature, T-d, of similar to 400 degrees C. This T-d is higher than T-c for Pb(Zr, Ti)O-3, therefore suggesting BFMT-BT ceramics to be promising high-temperature Pb-free piezoelectric materials. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4736724]

引用

页数：4

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