Extremely low frequency response of magnetoelectric multilayer composites

被引：83

作者：

Dong, SX ^{[1
]}

Zhai, JY ^{[1
]}

Xing, ZP ^{[1
]}

Li, JF ^{[1
]}

Viehland, D ^{[1
]}

机构：

[1] Virginia Tech, Blacksburg, VA 24061 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 10期

关键词：

D O I：

10.1063/1.1881784

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A promising generation of extremely low frequency magnetic field sensors, based on multilayer composites (MLCs) of magnetostrictive Terfenol-D, (Tb1-xDyxFe2-y) and piezoelectric Pb(Mg1/3Nb2/3)O-3-PbTiO3, has been developed. Our MLC magnetoelectric sensor presently shows a limit in (i) working frequency of similar to 5 x 10(-3) Hz; and (ii) magnetic field sensitivity of 10(-7), 10(-9), and 10(-11) T for frequencies of f = 10(-2), 1, and 10(2) Hz, respectively. The results open up possibilities for sensitive low frequency passive magnetic anomaly detection. (c) 2005 American Institute of Physics.

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页码：1 / 3

页数：3

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