Enhancing the magnetoelectric response of Terfenol-D/polyvinylidene fluoride/Terfenol-D laminates by exploiting the shear mode effect

Meng Chien Lu; Lei Mei; Dae Yong Jeong; Jing Xiang; Huaqing Xie; Q. M. Zhang

doi:10.1063/1.4915610

Enhancing the magnetoelectric response of Terfenol-D/polyvinylidene fluoride/Terfenol-D laminates by exploiting the shear mode effect

Meng Chien Lu
, Lei Mei
, Dae Yong Jeong
, Jing Xiang
, Huaqing Xie
, Q. M. Zhang

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

Magnetoelectric (ME) composites have demonstrated high sensitivity for magnetic field sensor applications. Here, we report a ME laminate heterostructure consisting of magnetostrictive Tb_0.3Dy_0.7Fe_1.92 (Terfenol-D) alloy and piezoelectric polyvinylidene fluoride (PVDF) layers, both operated in shear mode. We show that the shear mode ME sensor exhibits a marked improved ME effect compared with the traditional ME composites operated in longitudinal and transverse piezoelectric and magnetostrictive modes using the same materials. A giant ME coefficient of 7.93 V/(cm·Oe) is obtained under a DC magnetic bias of 2300 Oe. The improved ME coefficient derives from the shear-mode heterostructure design, which allows both the Terfenol-D and PVDF to operate in shear mode that has maximum magnetoelectrical coupling coefficient.

Original language	English (US)
Article number	112905
Journal	Applied Physics Letters
Volume	106
Issue number	11
DOIs	https://doi.org/10.1063/1.4915610
State	Published - Mar 16 2015

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4915610

Cite this

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title = "Enhancing the magnetoelectric response of Terfenol-D/polyvinylidene fluoride/Terfenol-D laminates by exploiting the shear mode effect",

abstract = "Magnetoelectric (ME) composites have demonstrated high sensitivity for magnetic field sensor applications. Here, we report a ME laminate heterostructure consisting of magnetostrictive Tb0.3Dy0.7Fe1.92 (Terfenol-D) alloy and piezoelectric polyvinylidene fluoride (PVDF) layers, both operated in shear mode. We show that the shear mode ME sensor exhibits a marked improved ME effect compared with the traditional ME composites operated in longitudinal and transverse piezoelectric and magnetostrictive modes using the same materials. A giant ME coefficient of 7.93 V/(cm·Oe) is obtained under a DC magnetic bias of 2300 Oe. The improved ME coefficient derives from the shear-mode heterostructure design, which allows both the Terfenol-D and PVDF to operate in shear mode that has maximum magnetoelectrical coupling coefficient.",

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AU - Lu, Meng Chien

AU - Mei, Lei

AU - Jeong, Dae Yong

AU - Xiang, Jing

AU - Xie, Huaqing

AU - Zhang, Q. M.

PY - 2015/3/16

Y1 - 2015/3/16

N2 - Magnetoelectric (ME) composites have demonstrated high sensitivity for magnetic field sensor applications. Here, we report a ME laminate heterostructure consisting of magnetostrictive Tb0.3Dy0.7Fe1.92 (Terfenol-D) alloy and piezoelectric polyvinylidene fluoride (PVDF) layers, both operated in shear mode. We show that the shear mode ME sensor exhibits a marked improved ME effect compared with the traditional ME composites operated in longitudinal and transverse piezoelectric and magnetostrictive modes using the same materials. A giant ME coefficient of 7.93 V/(cm·Oe) is obtained under a DC magnetic bias of 2300 Oe. The improved ME coefficient derives from the shear-mode heterostructure design, which allows both the Terfenol-D and PVDF to operate in shear mode that has maximum magnetoelectrical coupling coefficient.

AB - Magnetoelectric (ME) composites have demonstrated high sensitivity for magnetic field sensor applications. Here, we report a ME laminate heterostructure consisting of magnetostrictive Tb0.3Dy0.7Fe1.92 (Terfenol-D) alloy and piezoelectric polyvinylidene fluoride (PVDF) layers, both operated in shear mode. We show that the shear mode ME sensor exhibits a marked improved ME effect compared with the traditional ME composites operated in longitudinal and transverse piezoelectric and magnetostrictive modes using the same materials. A giant ME coefficient of 7.93 V/(cm·Oe) is obtained under a DC magnetic bias of 2300 Oe. The improved ME coefficient derives from the shear-mode heterostructure design, which allows both the Terfenol-D and PVDF to operate in shear mode that has maximum magnetoelectrical coupling coefficient.

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Enhancing the magnetoelectric response of Terfenol-D/polyvinylidene fluoride/Terfenol-D laminates by exploiting the shear mode effect

Abstract

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