A magnetoelectric flux gate: new approach for weak DC magnetic field detection

Abstract The magnetic flux gate sensors based on Faraday’s Law of Induction are widely used for DC or extremely low frequency magnetic field detection. Recently, as the fast development of multiferroics and magnetoelectric (ME) composite materials, a new technology based on ME coupling effect is eme...

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Autores principales:	Zhaoqiang Chu, Huaduo Shi, Mohammad Javad PourhosseiniAsl, Jingen Wu, Weiliang Shi, Xiangyu Gao, Xiaoting Yuan, Shuxiang Dong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/21330cea9d5d46cfa5fda52f2c652207
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spelling	oai:doaj.org-article:21330cea9d5d46cfa5fda52f2c6522072021-12-02T16:07:06ZA magnetoelectric flux gate: new approach for weak DC magnetic field detection10.1038/s41598-017-09420-w2045-2322https://doaj.org/article/21330cea9d5d46cfa5fda52f2c6522072017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09420-whttps://doaj.org/toc/2045-2322Abstract The magnetic flux gate sensors based on Faraday’s Law of Induction are widely used for DC or extremely low frequency magnetic field detection. Recently, as the fast development of multiferroics and magnetoelectric (ME) composite materials, a new technology based on ME coupling effect is emerging for potential devices application. Here, we report a magnetoelectric flux gate sensor (MEFGS) for weak DC magnetic field detection for the first time, which works on a similar magnetic flux gate principle, but based on ME coupling effect. The proposed MEFGS has a shuttle-shaped configuration made of amorphous FeBSi alloy (Metglas) serving as both magnetic and magnetostrictive cores for producing a closed-loop high-frequency magnetic flux and also a longitudinal vibration, and one pair of embedded piezoelectric PMN-PT fibers ([011]-oriented Pb(Mg,Nb)O3-PbTiO3 single crystal) serving as ME flux gate in a differential mode for detecting magnetic anomaly. In this way, the relative change in output signal of the MEFGS under an applied DC magnetic anomaly of 1 nT was greatly enhanced by a factor of 4 to 5 in comparison with the previous reports. The proposed ME flux gate shows a great potential for magnetic anomaly detections, such as magnetic navigation, magnetic based medical diagnosis, etc.Zhaoqiang ChuHuaduo ShiMohammad Javad PourhosseiniAslJingen WuWeiliang ShiXiangyu GaoXiaoting YuanShuxiang DongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhaoqiang Chu Huaduo Shi Mohammad Javad PourhosseiniAsl Jingen Wu Weiliang Shi Xiangyu Gao Xiaoting Yuan Shuxiang Dong A magnetoelectric flux gate: new approach for weak DC magnetic field detection
description	Abstract The magnetic flux gate sensors based on Faraday’s Law of Induction are widely used for DC or extremely low frequency magnetic field detection. Recently, as the fast development of multiferroics and magnetoelectric (ME) composite materials, a new technology based on ME coupling effect is emerging for potential devices application. Here, we report a magnetoelectric flux gate sensor (MEFGS) for weak DC magnetic field detection for the first time, which works on a similar magnetic flux gate principle, but based on ME coupling effect. The proposed MEFGS has a shuttle-shaped configuration made of amorphous FeBSi alloy (Metglas) serving as both magnetic and magnetostrictive cores for producing a closed-loop high-frequency magnetic flux and also a longitudinal vibration, and one pair of embedded piezoelectric PMN-PT fibers ([011]-oriented Pb(Mg,Nb)O3-PbTiO3 single crystal) serving as ME flux gate in a differential mode for detecting magnetic anomaly. In this way, the relative change in output signal of the MEFGS under an applied DC magnetic anomaly of 1 nT was greatly enhanced by a factor of 4 to 5 in comparison with the previous reports. The proposed ME flux gate shows a great potential for magnetic anomaly detections, such as magnetic navigation, magnetic based medical diagnosis, etc.
format	article
author	Zhaoqiang Chu Huaduo Shi Mohammad Javad PourhosseiniAsl Jingen Wu Weiliang Shi Xiangyu Gao Xiaoting Yuan Shuxiang Dong
author_facet	Zhaoqiang Chu Huaduo Shi Mohammad Javad PourhosseiniAsl Jingen Wu Weiliang Shi Xiangyu Gao Xiaoting Yuan Shuxiang Dong
author_sort	Zhaoqiang Chu
title	A magnetoelectric flux gate: new approach for weak DC magnetic field detection
title_short	A magnetoelectric flux gate: new approach for weak DC magnetic field detection
title_full	A magnetoelectric flux gate: new approach for weak DC magnetic field detection
title_fullStr	A magnetoelectric flux gate: new approach for weak DC magnetic field detection
title_full_unstemmed	A magnetoelectric flux gate: new approach for weak DC magnetic field detection
title_sort	magnetoelectric flux gate: new approach for weak dc magnetic field detection
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/21330cea9d5d46cfa5fda52f2c652207
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_version_	1718384703138955264

A magnetoelectric flux gate: new approach for weak DC magnetic field detection

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