Bidirectional current-voltage converters based on magnetostrictive/ piezoelectric composites

Yanmin Jia; Siu Wing Or; Helen Lai Wa Chan; Jie Jiao; Haosu Luo; S. Van Der Zwaag

doi:10.1063/1.3160739

Bidirectional current-voltage converters based on magnetostrictive/ piezoelectric composites

Yanmin Jia, Siu Wing Or, Helen Lai Wa Chan, Jie Jiao, Haosu Luo, S. Van Der Zwaag

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

17 Citations (Scopus)

Abstract

We report a power supply-free, bidirectional electric current-voltage converter based on a coil-wound laminated composite of magnetostrictive alloy and piezoelectric crystal. An electric current applied to the coil induces a magnetic field, resulting in an electric voltage from the composite due to the direct magnetoelectric effect. Conversely, an electric voltage applied to the composite produces a magnetic induction due to the converse magnetoelectric effect, leading to an electric current from the coil. The converter exhibits excellent linear relationships between current and voltage. Compared with traditional current/voltage converters made by operational amplifiers, the advantages of the proposed device include low cost, no power consumption, and bidirectional conversion.

Original language	English
Article number	263504
Journal	Applied Physics Letters
Volume	94
Issue number	26
DOIs	https://doi.org/10.1063/1.3160739
Publication status	Published - 13 Jul 2009

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3160739

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abstract = "We report a power supply-free, bidirectional electric current-voltage converter based on a coil-wound laminated composite of magnetostrictive alloy and piezoelectric crystal. An electric current applied to the coil induces a magnetic field, resulting in an electric voltage from the composite due to the direct magnetoelectric effect. Conversely, an electric voltage applied to the composite produces a magnetic induction due to the converse magnetoelectric effect, leading to an electric current from the coil. The converter exhibits excellent linear relationships between current and voltage. Compared with traditional current/voltage converters made by operational amplifiers, the advantages of the proposed device include low cost, no power consumption, and bidirectional conversion.",

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AU - Jia, Yanmin

AU - Or, Siu Wing

AU - Chan, Helen Lai Wa

AU - Jiao, Jie

AU - Luo, Haosu

AU - Van Der Zwaag, S.

PY - 2009/7/13

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N2 - We report a power supply-free, bidirectional electric current-voltage converter based on a coil-wound laminated composite of magnetostrictive alloy and piezoelectric crystal. An electric current applied to the coil induces a magnetic field, resulting in an electric voltage from the composite due to the direct magnetoelectric effect. Conversely, an electric voltage applied to the composite produces a magnetic induction due to the converse magnetoelectric effect, leading to an electric current from the coil. The converter exhibits excellent linear relationships between current and voltage. Compared with traditional current/voltage converters made by operational amplifiers, the advantages of the proposed device include low cost, no power consumption, and bidirectional conversion.

AB - We report a power supply-free, bidirectional electric current-voltage converter based on a coil-wound laminated composite of magnetostrictive alloy and piezoelectric crystal. An electric current applied to the coil induces a magnetic field, resulting in an electric voltage from the composite due to the direct magnetoelectric effect. Conversely, an electric voltage applied to the composite produces a magnetic induction due to the converse magnetoelectric effect, leading to an electric current from the coil. The converter exhibits excellent linear relationships between current and voltage. Compared with traditional current/voltage converters made by operational amplifiers, the advantages of the proposed device include low cost, no power consumption, and bidirectional conversion.

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Bidirectional current-voltage converters based on magnetostrictive/ piezoelectric composites

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