Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite

Yaojin Wang; Feifei Wang; Siu Wing Or; Helen Lai Wa Chan; Xiangyong Zhao; Haosu Luo

doi:10.1063/1.2976329

Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite

Yaojin Wang, Feifei Wang, Siu Wing Or, Helen Lai Wa Chan, Xiangyong Zhao, Haosu Luo

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

55 Citations (Scopus)

Abstract

Giant sharp converse magnetoelectric (CME) coefficient of 11.9 GV is obtained in a heterostructure formed by combining a Rosen-type 0.7Pb (Mg1/3Nb2/3) O3-0.3PbTiO3(PMN-PT) piezoelectric single-crystal transformer with a CME laminated composite of a length-magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy plate sandwiched between two thickness-polarized, electroparallel-connected PMN-PT piezoelectric single-crystal plates. The observed giant sharp CME is found to originate from the step-up voltage-gain effect in the transformer and the resonance CME effect in the laminated composite. This heterostructure has promising applications in electrically controlled magnetic memory devices.

Original language	English
Article number	113503
Journal	Applied Physics Letters
Volume	93
Issue number	11
DOIs	https://doi.org/10.1063/1.2976329
Publication status	Published - 29 Sept 2008

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2976329

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title = "Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite",

abstract = "Giant sharp converse magnetoelectric (CME) coefficient of 11.9 GV is obtained in a heterostructure formed by combining a Rosen-type 0.7Pb (Mg1/3Nb2/3) O3-0.3PbTiO3(PMN-PT) piezoelectric single-crystal transformer with a CME laminated composite of a length-magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy plate sandwiched between two thickness-polarized, electroparallel-connected PMN-PT piezoelectric single-crystal plates. The observed giant sharp CME is found to originate from the step-up voltage-gain effect in the transformer and the resonance CME effect in the laminated composite. This heterostructure has promising applications in electrically controlled magnetic memory devices.",

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Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite. / Wang, Yaojin; Wang, Feifei; Or, Siu Wing et al.
In: Applied Physics Letters, Vol. 93, No. 11, 113503, 29.09.2008.

Research output: Journal article publication › Journal article › Academic research › peer-review

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AU - Wang, Yaojin

AU - Wang, Feifei

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AU - Chan, Helen Lai Wa

AU - Zhao, Xiangyong

AU - Luo, Haosu

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Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite

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