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

被引：49

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

页码：1827 / 1836

页数：10

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