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Pressure driven depolarization behavior of Bi0.5Na0.5TiO3based lead-free ceramics
Liu, Zhen1; Ren, Weijun1; Nie, Hengchang1; Peng, Ping1; Liu, Yun2; Dong, Xianlin1; Cao, Fei1; Wang, Genshui1
2017
发表期刊Applied Physics Letters
ISSN00036951
卷号110期号:21
摘要Pressure driven depolarization behavior has been widely investigated for its scientific significance and practical applications. However, previous related studies were all based on lead-containing ferroelectric (FE) materials leading to detrimental environmental concerns. In the present work, we report the pressure driven depolarization behavior in Bi-based lead-free 0.97[(1-x)Bi0.5Na0.5TiO3-xBiAlO3)]-0.03K0.5Na0.5NbO3(BNT-x) ceramics. Particularly, with increasing hydrostatic pressure from 0 MPa to 495 MPa, the remanent polarization of BNT-0.04 decreases from 30.7 μC/cm2to 8.2 μC/cm2, reducing ∼73% of its initial value. The observed depolarization phenomenon is associated with the pressure induced polar FE-nonpolar relaxor phase transition. The results reveal BNT based ceramics as promising lead free candidates for mechanical-electrical energy conversion applications based on the pressure driven depolarization behavior. © 2017 Author(s).
DOI10.1063/1.4984088
EI入藏号20172203709703
EI主题词Bismuth compounds
EI分类号525.5 Energy Conversion Issues - 631.1.1 Liquid Dynamics - 708.1 Dielectric Materials - 812.1 Ceramics
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25833
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai; 200050, China;
2.Research School of Chemistry, Australian National University, ACT; 0200, Australia
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Liu, Zhen,Ren, Weijun,Nie, Hengchang,et al. Pressure driven depolarization behavior of Bi0.5Na0.5TiO3based lead-free ceramics[J]. Applied Physics Letters,2017,110(21).
APA Liu, Zhen.,Ren, Weijun.,Nie, Hengchang.,Peng, Ping.,Liu, Yun.,...&Wang, Genshui.(2017).Pressure driven depolarization behavior of Bi0.5Na0.5TiO3based lead-free ceramics.Applied Physics Letters,110(21).
MLA Liu, Zhen,et al."Pressure driven depolarization behavior of Bi0.5Na0.5TiO3based lead-free ceramics".Applied Physics Letters 110.21(2017).
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