Zero-biased magnetoelectric composite Fe73.5Cu1Nb3Si13.5B9/Ni/Pb(Zr1−x,Tix)O3 for current sensing

Lu, Caijiang; Li, Ping; Wen, Yumei; Yang, Aichao; Yang, Chen; Wang, Decai; He, Wei; Zhang, Jitao

doi:10.1016/j.jallcom.2013.12.038

Cited by 34 publications

(19 citation statements)

References 19 publications

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“…[1][2][3][4] Thus, the ME composite offers an alternative type of magnetic sensor. [8][9][10][11][12][13][14][15] However, because of the magnetic-field dependency of the piezomagnetic coefficient, ME field sensors typically require a DC bias field to maximize sensitivity that increases power consumption, volume, and costs. [1][2][3][4][8][9][10][11][12][13] In addition, the magnetostrictive and piezoelectric phases in traditional laminate composites are bonded with interfacial epoxy layers, so the different phases couple each other by shear forces.…”

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confidence: 99%

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Note: Self-biased magnetic field sensor using end-bonding magnetoelectric heterostructure

Zhao

2015

Review of Scientific Instruments

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A high sensitivity magnetic field sensor based on magnetoelectric (ME) coupling is presented. The ME sensor FeCuNbSiB/Nickel-PZT-FeCuNbSiB/Nickel is made by bonding magnetization-graded magnetostrictive materials FeCuNbSiB/Nickel at the free ends of the piezoelectric Pb(Zr1-x,Tix)O3 (PZT) plate. Experiments indicate that the proposed sensor has a zero-bias field sensitivity of 14.7 V/Oe at resonance, which is ∼41.6 times larger than that of previous FeCuNbSiB-PZT-FeCuNbSiB. Furthermore, without external biased field, it can detect dc magnetic field changes as small as ∼9 nT near the resonant frequency. This proposed ME sensor provides new pathways to reducing or even eliminating the need of bias fields for ME sensors.

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“…[14][15][16][17] But, for obtaining a more sensitive magnetic sensor, the ME composite with a reductive effect of the interfacial epoxy layer is necessary. Here, we report a self-biased ME sensor with a reductive effect of the interfacial epoxy layer.…”

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Note: Self-biased magnetic field sensor using end-bonding magnetoelectric heterostructure

Zhao

2015

Review of Scientific Instruments

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“…[2][3][4] This strain-mediated ME coupling is quite strong at room temperature in such composites and has enormous potential for novel functional devices (such as sensors, transducers, and memory devices). [1][2][3][4][5][6] For obtaining a more sensitive magnetic sensor, the magnetostrictive phase in the laminate composite is recommended to have higher effective relative permeability µ r and lower saturation magnetization µ 0 M s . 7,8 But unfortunately, most of the magnetostrictive materials have low µ r .…”

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Improved magnetoelectric effect in magnetostrictive/piezoelectric composite with flux concentration effect for sensitive magnetic sensor

Zhang

et al. 2015

AIP Advances

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The magnetoelectric (ME) composite with the flux concentration effect is designed, fabricated, and characterized for detecting weak ac magnetic-field. The high-permeability Fe73.5Cu1Nb3Si13.5B9 (FeCuNbSiB) foils act as flux concentrators and are bonded at the free ends of traditional ME laminates. With the improved ME responses in the proposed ME composite based on the flux concentration effect, the output sensitivities under zero-biased magnetic field can reach 7 V/Oe and 15.8 mV/Oe under the resonance frequency of 177.36 kHz and the off-resonance frequency of 1 kHz, respectively. The results indicate that the proposed ME composites show promising applications for high-sensitivity self-biased magnetic field sensors and ME transducers.

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“…[10][11][12][13][14] Unfortunately, the magnetostrictive and piezoelectric phases of these self-biased laminate composites are bonded with interfacial epoxy layers, so the different phases couple each other by shear forces. [7][8][9][10][11][12][13][14][15] However, to control the shear modulus, the thickness and the perfection of the interfacial epoxy layer between magnetostrictive phase and piezoelectric phase are a troublesome and complex operation. As a result, a ME composite structure with a reductive effect of the interfacial epoxy layer and a giant self-biased property is strongly needed for realizing high-performance and low cost magnetic sensors.…”

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Giant self-biased magnetoelectric coupling characteristics of three-phase composite with end-bonding structure

Huang

Han

et al. 2014

Applied Physics Letters

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This paper develops a self-biased magnetoelectric (ME) heterostructure FeCuNbSiB/Ni-PZT-FeCuNbSiB/Ni (FN-P-FN) by bonding magnetization-graded FeCuNbSiB/Ni layers at the free ends of piezoelectric Pb(Zr,Ti)O3 (PZT) plate. By using the magnetization-graded magnetostrictive layer and end-bonding heterostructure, giant self-biased ME responses and obvious hysteresis are observed in FN-P-FN heterostructure. The experimental results show that the zero-biased ME voltage coefficient of FN-P-FN heterostructure reaches ∼183.2 (V/cm Oe), which is ∼2.1, ∼4.5, and ∼41.6 times higher than that of FeCuNbSiB/Ni/PZT, Ni-PZT-Ni, and FeCuNbSiB-PZT-FeCuNbSiB composites, respectively. The results indicate that the proposed three-phase end-bonding heterostructure shows promising applications for high-sensitivity self-biased magnetic field sensors and ME transducers.

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Zero-biased magnetoelectric composite Fe73.5Cu1Nb3Si13.5B9/Ni/Pb(Zr1−x,Tix)O3 for current sensing

Cited by 34 publications

References 19 publications

Note: Self-biased magnetic field sensor using end-bonding magnetoelectric heterostructure

Note: Self-biased magnetic field sensor using end-bonding magnetoelectric heterostructure

Improved magnetoelectric effect in magnetostrictive/piezoelectric composite with flux concentration effect for sensitive magnetic sensor

Giant self-biased magnetoelectric coupling characteristics of three-phase composite with end-bonding structure

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