Enhanced flexoelectric effect in a non-ferroelectric composite

Yong Li; Longlong Shu; Yongcun Zhou; Jing Guo; Feng Xiang; Li He; Hong Wang

doi:10.1063/1.4824168

Enhanced flexoelectric effect in a non-ferroelectric composite

Yong Li
, Longlong Shu
, Yongcun Zhou
, Jing Guo
, Feng Xiang
, Li He
, Hong Wang

材料科学与工程学院

Xi'an Jiaotong University
Georgia Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

40 引用（Scopus）

摘要

Direct flexoelectric effect was investigated in a non-ferroelectric composite (Bi_1.5Zn_0.5)(Zn_0.5Nb _1.5)O₇/Ag (BZN/Ag) where the structure symmetry permits no macro-piezoelectricity. The flexoelectric coefficient of the BZN/Ag composite approaches 0.17 μC/m at room temperature. This value is 3-4 orders of magnitude higher than those of common dielectrics. Our research confirms the existence of flexoelectric effect in insulated non-ferroelectric materials except for ferroelectric relaxors.

源语言	英语
期刊论文编号	142909
期刊	Applied Physics Letters
卷	103
期	14
DOI	https://doi.org/10.1063/1.4824168
出版状态	已出版 - 30 9月 2013

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AU - Li, Yong

AU - Shu, Longlong

AU - Zhou, Yongcun

AU - Guo, Jing

AU - Xiang, Feng

AU - He, Li

AU - Wang, Hong

PY - 2013/9/30

Y1 - 2013/9/30

N2 - Direct flexoelectric effect was investigated in a non-ferroelectric composite (Bi1.5Zn0.5)(Zn0.5Nb 1.5)O7/Ag (BZN/Ag) where the structure symmetry permits no macro-piezoelectricity. The flexoelectric coefficient of the BZN/Ag composite approaches 0.17 μC/m at room temperature. This value is 3-4 orders of magnitude higher than those of common dielectrics. Our research confirms the existence of flexoelectric effect in insulated non-ferroelectric materials except for ferroelectric relaxors.

AB - Direct flexoelectric effect was investigated in a non-ferroelectric composite (Bi1.5Zn0.5)(Zn0.5Nb 1.5)O7/Ag (BZN/Ag) where the structure symmetry permits no macro-piezoelectricity. The flexoelectric coefficient of the BZN/Ag composite approaches 0.17 μC/m at room temperature. This value is 3-4 orders of magnitude higher than those of common dielectrics. Our research confirms the existence of flexoelectric effect in insulated non-ferroelectric materials except for ferroelectric relaxors.

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Enhanced flexoelectric effect in a non-ferroelectric composite

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