Detection of pico-Tesla magnetic fields using magneto-electric sensors at room temperature

被引：302

作者：

Zhai, JY ^{[1
]}

Xing, ZP ^{[1
]}

Dong, SX ^{[1
]}

Li, JF ^{[1
]}

Viehland, D ^{[1
]}

机构：

[1] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 06期

关键词：

D O I：

10.1063/1.2172706

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The measurement of low-frequency (10(-2)-10(3) Hz) minute magnetic field variations (10(-12) Tesla) at room temperature in a passive mode of operation would be critically enabling for deployable neurological signal interfacing and magnetic anomaly detection applications. However, there is presently no magnetic field sensor capable of meeting all of these requirements. Here, we present new bimorph and push-pull magneto-electric laminate composites, which incorporate a charge compensation mechanism (or bridge) that dramatically enhances noise rejection, enabling achievement of such requirements. (c) 2006 American Institute of Physics.

引用

页数：3

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