Publication Type:Journal Article
Source:Nature Materials, Volume 6, Number 1, p.21-29 (2007)
Keywords:Atomic-level engineering, Epitaxial growth, ferroelectricity, Interfacial coupling, Magnetization, Magnetoelectric coupling, thin films, Thin-film multiferroics
Multiferroic materials, which show simultaneous ferroelectric and magnetic ordering, exhibit unusual physical properties and in turn promise new device applications as a result of the coupling between their dual order parameters. We review recent progress in the growth, characterization and understanding of thin-film multiferroics. The availability of high-quality thin-film multiferroics makes it easier to tailor their properties through epitaxial strain, atomic-level engineering of chemistry and interfacial coupling, and is a prerequisite for their incorporation into practical devices. We discuss novel device paradigms based on magnetoelectric coupling, and outline the key scientific challenges in the field. © 2007 Nature Publishing Group.
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