Ultra-sensitive detection of magnetic field and its direction using bilayer PVDF/Metglas laminate

Bilayer PVDF/Metglas laminates with remarkably anisotropic ME coupling effect have been fabricated. By a careful evaluation of these anisotropic behaviors both experimentally and theoretically, we demonstrate that an ultra-sensitive detection of weak dc magnetic field and its spatial orientation is...

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Bibliographic Details
Published in:Sensors and actuators. A. Physical. 2009-06, Vol.153 (1), p.64-68
Main Authors: Dong, X.W., Wang, B., Wang, K.F., Wan, J.G., Liu, J.–M.
Format: Article
Language:English
Subjects:
Laminate
Magnetic field detection
Magnetoelectric coupling
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Summary:Bilayer PVDF/Metglas laminates with remarkably anisotropic ME coupling effect have been fabricated. By a careful evaluation of these anisotropic behaviors both experimentally and theoretically, we demonstrate that an ultra-sensitive detection of weak dc magnetic field and its spatial orientation is practically applicable using the bilayer PVDF/Metglas laminate. This magnetic field probe has quite high sensitivity. The reason for such a high magnitude and orientation-dependent magnetoelectric coupling is explained.
ISSN:0924-4247
1873-3069
DOI:10.1016/j.sna.2009.04.033