Enhanced magnetoelectric effect in longitudinal-transverse mode Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3 laminate composites with optimal crystal cut

被引：92

作者：

Wang, Yaojin ^{[1
,2
,3
]}

Or, Siu Wing ^{[1
]}

Chan, Helen Lai Wa ^{[1
]}

Zhao, Xiangyong ^{[3
]}

Luo, Haosu ^{[3
]}

机构：

[1] Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 10039, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201800, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2943267

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetoelectric (ME) laminate composite consisting of optimal crystal cut thickness-polarized piezoelectric 0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3) (PMN-PT) single crystal and the length-magnetized magnetostrictive Tb0.3Dy0.7Fe1.92 (Terfenol-D) alloy has been fabricated. The cut optimization of PMN-PT crystal greatly enhances the longitudinally magnetized-transversely polarized (L-T) mode ME effect, which has a superior ME voltage coefficient alpha(E) of similar to 3.02 V/cm Oe in low frequency band. Near the resonance frequency of 95 kHz, the coefficient dramatically increases and reaches the maximized value of 33.2 V/cm Oe, which is almost two times larger than the previously reported < 001 >-oriented PMN-PT crystal based L-T mode laminate composite. (C) 2008 American Institute of Physics.

引用

页数：4

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