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Sensors 2009, 9(8), 6362-6384; doi:10.3390/s90806362

Piezoelectric and Magnetoelectric Thick Films for Fabricating Power Sources in Wireless Sensor Nodes

1,* , 2
2 and 2
1 Center for Energy Harvesting Materials and Systems (CEHMS), Dept. of Materials Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA 2 Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Korea
* Author to whom correspondence should be addressed.
Received: 23 July 2009 / Revised: 10 August 2009 / Accepted: 11 August 2009 / Published: 17 August 2009
(This article belongs to the Special Issue Wireless Sensor Technologies and Applications)
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In this manuscript, we review the progress made in the synthesis of thick film-based piezoelectric and magnetoelectric structures for harvesting energy from mechanical vibrations and magnetic field. Piezoelectric compositions in the system Pb(Zr,Ti)O3–Pb(Zn1/3Nb2/3)O3 (PZNT) have shown promise for providing enhanced efficiency due to higher energy density and thus form the base of transducers designed for capturing the mechanical energy. Laminate structures of PZNT with magnetostrictive ferrite materials provide large magnitudes of magnetoelectric coupling and are being targeted to capture the stray magnetic field energy. We analyze the models used to predict the performance of the energy harvesters and present a full system description.
Keywords: piezoelectric; magnetoelectric; energy harvesting; thick films; MEMS piezoelectric; magnetoelectric; energy harvesting; thick films; MEMS
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Priya, S.; Ryu, J.; Park, C.-S.; Oliver, J.; Choi, J.-J.; Park, D.-S. Piezoelectric and Magnetoelectric Thick Films for Fabricating Power Sources in Wireless Sensor Nodes. Sensors 2009, 9, 6362-6384.

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