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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
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.
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页码:1827 / 1836
页数:10
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