Thermally-stable large strain in Bi(Mn0.5Ti0.5)O3 modified 0.8Bi0.5Na0.5TiO3-0.2Bi0.5K0.5TiO3 ceramics

被引：45
|
作者：
Li, Ling [1 ,2 ,3 ,4 ]
Zhang, Ji [1 ,2 ,3 ]
Wang, Rui-Xue [1 ,2 ,3 ]
Zheng, Mupeng [4 ]
Hou, Yudong [4 ]
Zhang, Haibo [5 ]
Zhang, Shan-Tao [1 ,2 ,3 ]
Zhu, Mankang [4 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Coll Engn & Appl Sci, Dept Mat Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[4] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[5] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Hubei, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2019年 / 39卷 / 05期
关键词：
Lead-free; Electric property; Large strain; Composition-insensitivity; Thermal stability; FIELD-INDUCED STRAIN; ENERGY-STORAGE DENSITY; ELECTRICAL-PROPERTIES; TEMPERATURE; BEHAVIOR; ENHANCEMENT; HYSTERESIS; TRANSITION; STABILITY;
D O I：
10.1016/j.jeurceramsoc.2019.01.009
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
(1-x)[0.8Bi(0.5)Na(0.5)TiO(3)-0.2Bi(0.5)K(0.5)TiO(3)]-xBi(Mn0.5Ti0.5)O-3 (x = 0-0.06, BNICMT100x) lead-free ferroelectric ceramics were prepared via solid state reaction method. Bi(Mna5Tio.5)03 induces a structure transition from rhombohedral-tetragonal morphotropic phases to pseudo-cubic phase. Moreover, the wide range of compositions within x = 0.03-0.055 exhibit large strain of 0.31%-0.41% and electrostrictive coefficient of 0.027-0.041 m(4)/C-2. Especially, at x = 0.04, the large strain and electrostrictive coefficient are nearly temperature-independent in the range of 25-100 degrees C. The impedance analysis shows the large strain and electrostrictive coefficient originate from polar nanoregions response due to the addition of Bi(Mn0.5Ti0.5)O-3.
引用
收藏
页码：1827 / 1836
页数：10
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