Tunable features of magnetoelectric transformers

Shuxiang Dong; Junyi Zhai; Shashank Priya; Jie Fang Li; Dwight Viehland

doi:10.1109/TUFFC.2009.1152

Tunable features of magnetoelectric transformers

Shuxiang Dong, Junyi Zhai, Shashank Priya, Jie Fang Li, Dwight Viehland

Materials Science and Engineering

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

29 Scopus citations

Abstract

We have found that magnetostrictive FeBSiC alloy ribbons laminated with piezoelectric Pb(Zr,Ti)O3 fiber can act as a tunable transformer when driven under resonant conditions. These composites were also found to exhibit the strongest resonant magnetoelectric voltage coefficient of 750 V/ cm-Oe. The tunable features were achieved by applying small dc magnetic biases of -5 ≤ H _dc ≤ 5 Oe. The features include 1) a high voltage gain of -55 ≤ V _gain 55; and 2) a large current-to-voltage conversion of -2000 αI-V ≤ 2000 (V/A). The tunable transformer features can be attributed to large changes in the piezomagnetic coefficient and permeability of the magnetostrictive phase under Hdc.

Original language	English (US)
Article number	5075093
Pages (from-to)	1124-1127
Number of pages	4
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	56
Issue number	6
DOIs	https://doi.org/10.1109/TUFFC.2009.1152
State	Published - Jun 2009

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2009.1152

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title = "Tunable features of magnetoelectric transformers",

abstract = "We have found that magnetostrictive FeBSiC alloy ribbons laminated with piezoelectric Pb(Zr,Ti)O3 fiber can act as a tunable transformer when driven under resonant conditions. These composites were also found to exhibit the strongest resonant magnetoelectric voltage coefficient of 750 V/ cm-Oe. The tunable features were achieved by applying small dc magnetic biases of -5 ≤ H dc ≤ 5 Oe. The features include 1) a high voltage gain of -55 ≤ V gain 55; and 2) a large current-to-voltage conversion of -2000 αI-V ≤ 2000 (V/A). The tunable transformer features can be attributed to large changes in the piezomagnetic coefficient and permeability of the magnetostrictive phase under Hdc.",

author = "Shuxiang Dong and Junyi Zhai and Shashank Priya and Li, {Jie Fang} and Dwight Viehland",

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T1 - Tunable features of magnetoelectric transformers

AU - Dong, Shuxiang

AU - Zhai, Junyi

AU - Priya, Shashank

AU - Li, Jie Fang

AU - Viehland, Dwight

PY - 2009/6

Y1 - 2009/6

N2 - We have found that magnetostrictive FeBSiC alloy ribbons laminated with piezoelectric Pb(Zr,Ti)O3 fiber can act as a tunable transformer when driven under resonant conditions. These composites were also found to exhibit the strongest resonant magnetoelectric voltage coefficient of 750 V/ cm-Oe. The tunable features were achieved by applying small dc magnetic biases of -5 ≤ H dc ≤ 5 Oe. The features include 1) a high voltage gain of -55 ≤ V gain 55; and 2) a large current-to-voltage conversion of -2000 αI-V ≤ 2000 (V/A). The tunable transformer features can be attributed to large changes in the piezomagnetic coefficient and permeability of the magnetostrictive phase under Hdc.

AB - We have found that magnetostrictive FeBSiC alloy ribbons laminated with piezoelectric Pb(Zr,Ti)O3 fiber can act as a tunable transformer when driven under resonant conditions. These composites were also found to exhibit the strongest resonant magnetoelectric voltage coefficient of 750 V/ cm-Oe. The tunable features were achieved by applying small dc magnetic biases of -5 ≤ H dc ≤ 5 Oe. The features include 1) a high voltage gain of -55 ≤ V gain 55; and 2) a large current-to-voltage conversion of -2000 αI-V ≤ 2000 (V/A). The tunable transformer features can be attributed to large changes in the piezomagnetic coefficient and permeability of the magnetostrictive phase under Hdc.

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Tunable features of magnetoelectric transformers

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