High-frequency current sensor based on lead-free multiferroic BiFeO3-BaTiO3-based ceramics

Dongliang Shi; Qi Zhang; Yuan Mao Ye; Lingling Luo; Eric Ka wai Cheng; Dunmin Lin; Kwok Ho Lam

doi:10.1016/j.measurement.2017.03.036

High-frequency current sensor based on lead-free multiferroic BiFeO₃-BaTiO₃-based ceramics

Dongliang Shi, Qi Zhang, Yuan Mao Ye, Lingling Luo, Eric Ka wai Cheng, Dunmin Lin, Kwok Ho Lam

The Hong Kong Polytechnic University

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

13 Citations (Scopus)

Abstract

The frequency response of the sensor is ranged from 1 kHz to 1 MHz. The sensitivity of the current sensor is 4.5 mV/A in a flat response zone from 1 kHz to 20 kHz with an error of 5%. Besides, the sensor exhibits superior temperature stability with a wide operational temperature range (room temperature to ∼353 K). The sensor is also assembled with a high magnetic permeability material that is capable of shielding the DC biased magnetic field up to 2026 Oe. The environmental friendly sensing material and stable output characteristics make the proposed current sensor preferable for the high-frequency current measurement. Besides the performance evaluation, the non-linear frequency response of the current senor is also investigated quantitatively from the aspects of impedance and conductivity.

Original language	English
Pages (from-to)	287-293
Number of pages	7
Journal	Measurement: Journal of the International Measurement Confederation
Volume	104
DOIs	https://doi.org/10.1016/j.measurement.2017.03.036
Publication status	Published - 1 Jul 2017

Keywords

Current measurement
Detectors
Electromagnetic modeling
Magnetoelectric effect

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

More information

10.1016/j.measurement.2017.03.036

Cite this

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title = "High-frequency current sensor based on lead-free multiferroic BiFeO3-BaTiO3-based ceramics",

abstract = "The frequency response of the sensor is ranged from 1 kHz to 1 MHz. The sensitivity of the current sensor is 4.5 mV/A in a flat response zone from 1 kHz to 20 kHz with an error of 5%. Besides, the sensor exhibits superior temperature stability with a wide operational temperature range (room temperature to ∼353 K). The sensor is also assembled with a high magnetic permeability material that is capable of shielding the DC biased magnetic field up to 2026 Oe. The environmental friendly sensing material and stable output characteristics make the proposed current sensor preferable for the high-frequency current measurement. Besides the performance evaluation, the non-linear frequency response of the current senor is also investigated quantitatively from the aspects of impedance and conductivity.",

keywords = "Current measurement, Detectors, Electromagnetic modeling, Magnetoelectric effect",

author = "Dongliang Shi and Qi Zhang and Ye, {Yuan Mao} and Lingling Luo and Cheng, {Eric Ka wai} and Dunmin Lin and Lam, {Kwok Ho}",

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AU - Shi, Dongliang

AU - Zhang, Qi

AU - Ye, Yuan Mao

AU - Luo, Lingling

AU - Cheng, Eric Ka wai

AU - Lin, Dunmin

AU - Lam, Kwok Ho

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AB - The frequency response of the sensor is ranged from 1 kHz to 1 MHz. The sensitivity of the current sensor is 4.5 mV/A in a flat response zone from 1 kHz to 20 kHz with an error of 5%. Besides, the sensor exhibits superior temperature stability with a wide operational temperature range (room temperature to ∼353 K). The sensor is also assembled with a high magnetic permeability material that is capable of shielding the DC biased magnetic field up to 2026 Oe. The environmental friendly sensing material and stable output characteristics make the proposed current sensor preferable for the high-frequency current measurement. Besides the performance evaluation, the non-linear frequency response of the current senor is also investigated quantitatively from the aspects of impedance and conductivity.

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