Large strain response under low field in SrTiO3 modified Bi1/2Na1/2TiO3-LaFeO3 piezoceramics

被引：8
|
作者：
Thi Hinh Dinh [1 ,3 ]
Han, Hyoung-Su [2 ]
Lee, Jae-Shin [2 ]
机构：
[1] Phenikaa Univ, Fac Mat Sci & Engn, Hanoi 12116, Vietnam
[2] Univ Ulsan, Sch Mat Sci & Engn, 14,Techno Saneop Ro 55 Beon Gil, Ulsan, South Korea
[3] Phenikaa Res & Technol Inst PRATI, A&A Green Phoenix Grp JSC, 167 Hoang Ngan, Hanoi 11313, Vietnam
来源：
MATERIALS LETTERS | 2020年 / 258卷
基金：
新加坡国家研究基金会;
关键词：
Ceramics; Piezoelectric materials; Field-induced strain; Relaxor; LOW DRIVING FIELD; ELECTROSTRAIN; COMPOSITES;
D O I：
10.1016/j.matlet.2019.126793
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To further reduce the driving field of Bi1/2Na1/2TiO3-based piezoceramics to meet the requirements for real actuators applications, SrTiO3 modified 0.99Bi(1/2)Na(1/2)TiO(3)-0.01LaFeO(3) piezoceramics were synthesized. The 0.79Bi(1/2)Na(1/2)TiO(3)-0.01LaFeO(3)-0.20SrTiO(3) provides the large electrostrains of 405 pm/V at 1.7 kV/mm and 565 pm/V at 2 kV/mm, which are triable values for actuator applications in non-textured Bi1/2Na1/2TiO3-based piezoceramics. (C) 2019 Elsevier B.V. All rights reserved.
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页数：4
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