Quasi-one-dimensional miniature multiferroic magnetic field sensor with high sensitivity at zero bias field

被引：44

作者：

Chen, Yajie ^{[1
,2
]}

Gillette, Scott M. ^{[1
,2
]}

Fitchorov, Trifon ^{[1
,2
]}

Jiang, Liping ^{[3
]}

Hao, Hongbo ^{[3
]}

Li, Jiheng ^{[4
]}

Gao, Xuexu ^{[4
]}

Geiler, Anton ^{[1
,2
]}

Vittoria, C. ^{[1
,2
]}

Harris, V. G. ^{[1
,2
]}

机构：

[1] Northeastern Univ, Ctr Microwave Magnet Mat & Integrated Circuits, Boston, MA 02115 USA

[2] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA

[3] Baotou Res Inst Rare Earths, Baotou 014030, Inner Mongolia, Peoples R China

[4] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 04期

关键词：

D O I：

10.1063/1.3617434

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A miniature, quasi one dimensional, magnetic field sensor based on magnetoelectric coupling is presented. The magnetoelectric sensor makes use of the d(31) coupling mode between a piezoelectric lead zirconate titanate tube and FeNi magnetostrictive wire. The sensors demonstrate high sensitivity, high signal-to-noise ratio, and low noise floor at zero DC magnetic bias field and at low frequency resulting in smaller, lower power consumption, and volumetric efficiency. Experiments indicate a zero bias field sensitivity of 16.5 mV/Oe at 100 Hz stemming from a magnetoelectric coefficient of 1.65 V/cm-Oe. The results are quantitatively described by a theoretical model of laminate composites. (C) 2011 American Institute of Physics. [doi:10.1063/1.3617434]

引用

页数：3

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