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Sensors 2017, 17(6), 1251;

Metallic Glass/PVDF Magnetoelectric Laminates for Resonant Sensors and Actuators: A Review

BCMaterials, Technology Park of Biscay, Building 500, 48160 Derio, Spain
Departamento de Electricidad y Electrónica, Universidad del País Vasco UPV/EHU, P.O. Box 644, 48080 Bilbao, Spain
Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal
IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
Author to whom correspondence should be addressed.
Academic Editors: Nian X. Sun, Ming Liu and Menghui Li
Received: 12 April 2017 / Revised: 25 May 2017 / Accepted: 26 May 2017 / Published: 31 May 2017
(This article belongs to the Section Physical Sensors)
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Among magnetoelectric (ME) heterostructures, ME laminates of the type Metglas-like/PVDF (magnetostrictive+piezoelectric constituents) have shown the highest induced ME voltages, usually detected at the magnetoelastic resonance of the magnetostrictive constituent. This ME coupling happens because of the high cross-correlation coupling between magnetostrictive and piezoelectric material, and is usually associated with a promising application scenario for sensors or actuators. In this work we detail the basis of the operation of such devices, as well as some arising questions (as size effects) concerning their best performance. Also, some examples of their use as very sensitive magnetic fields sensors or innovative energy harvesting devices will be reviewed. At the end, the challenges, future perspectives and technical difficulties that will determine the success of ME composites for sensor applications are discussed. View Full-Text
Keywords: magnetoelectrics; magnetoelectric heterostructures; magnetoelectric sensors magnetoelectrics; magnetoelectric heterostructures; magnetoelectric sensors

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Gutiérrez, J.; Lasheras, A.; Martins, P.; Pereira, N.; Barandiarán, J.M.; Lanceros-Mendez, S. Metallic Glass/PVDF Magnetoelectric Laminates for Resonant Sensors and Actuators: A Review. Sensors 2017, 17, 1251.

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