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Magnetoelectric Composites: Applications, Coupling Mechanisms, and Future Directions
Dhiren K Pradhan1,2, Shalini Kumari3, Philip D Rack1,2
1Department of Materials Science & Engineering, University of Tennessee, Knoxville, TN 37996, USA.
Nanomaterials (Basel, Switzerland)
|October 23, 2020
Summary
Multiferroic (MF) composites offer enhanced magnetoelectric (ME) coupling above room temperature. This review explores their applications, mechanisms, and future directions for advanced electronic devices.
Area of Science:
- Materials Science
- Condensed Matter Physics
Background:
- Multiferroic (MF) materials exhibit magnetoelectric (ME) coupling, enabling control of magnetic properties with electric fields and vice versa.
- Single-phase multiferroics often have limited operational temperatures and weak ME coupling.
- Multiferroic composites integrate magnetic and ferroelectric materials to overcome these limitations.
Purpose of the Study:
- To review leading applications of magnetoelectric composites.
- To discuss the mechanisms and nature of ME coupling in artificial composite systems.
- To highlight strategies for enhancing ME coupling and physical properties.
Main Methods:
- Review of existing literature on multiferroic composites.
- Discussion of theoretical and experimental findings on ME coupling mechanisms.
- Analysis of methods to improve ME coupling and material properties.
Main Results:
- Multiferroic composites demonstrate superior ME coupling and higher operational temperatures compared to single-phase materials.
- Room temperature control of magnetic and electrical properties is achievable.
- Advanced applications in ultralow power, multifunctional nano (micro) electronic devices are motivated.
Conclusions:
- Magnetoelectric composites are promising for next-generation electronic devices.
- Further research is needed to address open questions and unlock practical applications.
- Breakthroughs in this field can lead to magnetically and electrically controllable devices.
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