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Browse Journals & Magazines > Applied Physics Letters ...> Volume:91 Issue:12 Help

Geomagnetic sensor based on giant magnetoelectric effect

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5 Author(s)
Junyi Zhai ; Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA ; Shuxiang Dong ; Xing, Zengping ; Li, Jiefang
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2789391 

Here, the authors report a new type of geomagnetic field sensor based on the giant magnetoelectric effect in Metglas/piezoelectric-fiber laminates that are wrapped with a coil. These sensors can measure quite precisely the value of both the Earth’s magnetic field and its inclination. The geomagnetic field sensor does not require a dc magnetic bias and is driven by a 10 mA ac. Highly sensitive dc magnetic field variations of less than 10-9 T and angular inclinations of ≤10-5 deg can be detected, potentially offering opportunities for a small global positioning device.

Published in:
Applied Physics Letters  (Volume:91 ,  Issue: 12 )

Date of Publication: Sep 2007

Page(s):
123513 - 123513-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.2789391
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Sep 2007

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