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Magnetoelectric Interactions in Lead-Based and Lead-Free Composites

Institute of Electronic & Information System, Novgorod State University, 173003 Veliky Novgorod, Russia
Center for Energy Harvesting Materials and Systems, Virginia Tech, Blacksburg, VA 24061, USA
Author to whom correspondence should be addressed.
Materials 2011, 4(4), 651-702;
Received: 10 February 2011 / Revised: 15 March 2011 / Accepted: 23 March 2011 / Published: 6 April 2011
(This article belongs to the Special Issue Advances in Ferroelectric & Piezoelectric Materials)
Magnetoelectric (ME) composites that simultaneously exhibit ferroelectricity and ferromagnetism have recently gained significant attention as evident by the increasing number of publications. These research activities are direct results of the fact that multiferroic magnetoelectrics offer significant technological promise for multiple devices. Appropriate choice of phases with co-firing capability, magnetostriction and piezoelectric coefficient, such as Ni-PZT and NZFO-PZT, has resulted in fabrication of prototype components that promise transition. In this manuscript, we report the properties of Ni-PZT and NZFO-PZT composites in terms of ME voltage coefficients as a function of frequency and magnetic DC bias. In order to overcome the problem of toxicity of lead, we have conducted experiments with Pb-free piezoelectric compositions. Results are presented on the magnetoelectric performance of Ni-NKN, Ni-NBTBT and NZFO-NKN, NZFO-NBTBT systems illustrating their importance as an environmentally friendly alternative. View Full-Text
Keywords: multiferroics; lead-free piezoelectrics; morphotropic phase boundary; magnetoelectric effect multiferroics; lead-free piezoelectrics; morphotropic phase boundary; magnetoelectric effect
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Bichurin, M.; Petrov, V.; Zakharov, A.; Kovalenko, D.; Yang, S.C.; Maurya, D.; Bedekar, V.; Priya, S. Magnetoelectric Interactions in Lead-Based and Lead-Free Composites. Materials 2011, 4, 651-702.

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