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Energy Harvesting and Systems

Materials, Mechanisms, Circuits and Storage

Editor-in-Chief: Lublow, Michael

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Self-Biased Magnetoelectric Composites: An Overview and Future Perspectives

1 / Deepam Maurya1 / Yongke Yan1 / Gopalan Srinivasan2 / Eckhard Quandt3 / 1

1Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS), Virginia Tech, Blacksburg, VA 24061, USA

2Physics Department, Oakland University, Rochester, MI 48409, USA

3Inorganic Functional Materials, Institute for Materials Science, Kiel University, Kiel 24143, Germany

Funding: This work was financially supported by the German Science Foundation (DFG), U.S. Department of Energy (grant/award no.: DE-FG02-06ER46290), Office of Naval Research, Air Force Office of Scientific Research (AFOSR).

Citation Information: Energy Harvesting and Systems. Volume 3, Issue 1, Pages 1–42, ISSN (Online) 2329-8766, ISSN (Print) 2329-8774, DOI: https://doi.org/10.1515/ehs-2015-0003, July 2015

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Self-biased magnetoelectric (ME) composites, defined as materials that enable large ME coupling under external AC magnetic field in the absence of DC magnetic field, are an interesting, challenging and practical field of research. In comparison to the conventional ME composites, eliminating the need of DC magnetic bias provides great potential towards device miniaturization and development of components for electronics and medical applications. In this review, the current state-of-the-art of the different self-biased structures, their working mechanisms, as well as their main characteristics are summarized. Further, the nature and requirement of the self-biased magnetoelectric response is discussed with respect to the specific applications. Lastly, the remaining challenges as well as future perspective of this research field are discussed.

Keywords: self-biased; magnetoelectric; energy harvesting

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