Enhanced magnetoelectric effect in heterostructure of magnetostrictive alloy bars and piezoelectric single-crystal transformer

Chung Ming Leung; Siu Wing Or; Feifei Wang; Siu Lau Ho; Haosu Luo

doi:10.1063/1.3529439

Enhanced magnetoelectric effect in heterostructure of magnetostrictive alloy bars and piezoelectric single-crystal transformer

Chung Ming Leung, Siu Wing Or, Feifei Wang, Siu Lau Ho, Haosu Luo

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

19 Citations (Scopus)

Abstract

We report an enhanced magnetoelectric (ME) effect in a heterostructure consisting of a long-type, longitudinally-longitudinally polarized 0.71Pb(Mg13Nb23)O3-0.29PbTiO3(PMN-PT) piezoelectric single-crystal transformer with its input part sandwiched between two longitudinally magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy bars. The observed ME effect has two independent operational modes: namely, ME sensing mode and ME transduction mode. The ME sensing mode features a large ME voltage coefficient (V) of ∼0.32 VOe over a flat frequency range of 1-50 kHz, while the ME transduction mode possesses two colossal resonanceVof 7.6 and 7.9 VOe, corresponding to the first and second longitudinal resonances, at 56.2 and 127.9 kHz, respectively. This enhanced dual-mode ME effect not only enables the application potential of the heterostructure, but also advances the technology of power-free ME sensors and transducers.

Original language	English
Article number	013903
Journal	Review of Scientific Instruments
Volume	82
Issue number	1
DOIs	https://doi.org/10.1063/1.3529439
Publication status	Published - 1 Jan 2011

ASJC Scopus subject areas

Instrumentation

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10.1063/1.3529439

http://hdl.handle.net/10397/5286

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title = "Enhanced magnetoelectric effect in heterostructure of magnetostrictive alloy bars and piezoelectric single-crystal transformer",

abstract = "We report an enhanced magnetoelectric (ME) effect in a heterostructure consisting of a long-type, longitudinally-longitudinally polarized 0.71Pb(Mg13Nb23)O3-0.29PbTiO3(PMN-PT) piezoelectric single-crystal transformer with its input part sandwiched between two longitudinally magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy bars. The observed ME effect has two independent operational modes: namely, ME sensing mode and ME transduction mode. The ME sensing mode features a large ME voltage coefficient (V) of ∼0.32 VOe over a flat frequency range of 1-50 kHz, while the ME transduction mode possesses two colossal resonanceVof 7.6 and 7.9 VOe, corresponding to the first and second longitudinal resonances, at 56.2 and 127.9 kHz, respectively. This enhanced dual-mode ME effect not only enables the application potential of the heterostructure, but also advances the technology of power-free ME sensors and transducers.",

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AU - Leung, Chung Ming

AU - Or, Siu Wing

AU - Wang, Feifei

AU - Ho, Siu Lau

AU - Luo, Haosu

PY - 2011/1/1

Y1 - 2011/1/1

N2 - We report an enhanced magnetoelectric (ME) effect in a heterostructure consisting of a long-type, longitudinally-longitudinally polarized 0.71Pb(Mg13Nb23)O3-0.29PbTiO3(PMN-PT) piezoelectric single-crystal transformer with its input part sandwiched between two longitudinally magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy bars. The observed ME effect has two independent operational modes: namely, ME sensing mode and ME transduction mode. The ME sensing mode features a large ME voltage coefficient (V) of ∼0.32 VOe over a flat frequency range of 1-50 kHz, while the ME transduction mode possesses two colossal resonanceVof 7.6 and 7.9 VOe, corresponding to the first and second longitudinal resonances, at 56.2 and 127.9 kHz, respectively. This enhanced dual-mode ME effect not only enables the application potential of the heterostructure, but also advances the technology of power-free ME sensors and transducers.

AB - We report an enhanced magnetoelectric (ME) effect in a heterostructure consisting of a long-type, longitudinally-longitudinally polarized 0.71Pb(Mg13Nb23)O3-0.29PbTiO3(PMN-PT) piezoelectric single-crystal transformer with its input part sandwiched between two longitudinally magnetized Tb0.3Dy0.7Fe1.92(Terfenol-D) magnetostrictive alloy bars. The observed ME effect has two independent operational modes: namely, ME sensing mode and ME transduction mode. The ME sensing mode features a large ME voltage coefficient (V) of ∼0.32 VOe over a flat frequency range of 1-50 kHz, while the ME transduction mode possesses two colossal resonanceVof 7.6 and 7.9 VOe, corresponding to the first and second longitudinal resonances, at 56.2 and 127.9 kHz, respectively. This enhanced dual-mode ME effect not only enables the application potential of the heterostructure, but also advances the technology of power-free ME sensors and transducers.

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Enhanced magnetoelectric effect in heterostructure of magnetostrictive alloy bars and piezoelectric single-crystal transformer

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