Multiferroic and magnetoelectric materials

A ferroelectric crystal exhibits a stable and switchable electrical polarization that is manifested in the form of cooperative atomic displacements. A ferromagnetic crystal exhibits a stable and switchable magnetization that arises through the quantum mechanical phenomenon of exchange. There are ver...

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Bibliographic Details
Published inNature (London) Vol. 442; no. 7104; pp. 759 - 765
Main Authors EERENSTEIN, W, MATHUR, N. D, SCOTT, J. F
Format Journal Article
LanguageEnglish
Published London Nature Publishing 17.08.2006
Nature Publishing Group
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystal structure
Electrical properties
Electricity
Exact sciences and technology
Magnetic fields
Magnetic properties and materials
Magnetomechanical and magnetoelectric effects, magnetostriction
Materials science
Physics
Quantum theory
Magnetic structure
Landau theory
Non linear effect
Magnetoelectric effects
Symmetry breaking
Crystal structure
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Summary:A ferroelectric crystal exhibits a stable and switchable electrical polarization that is manifested in the form of cooperative atomic displacements. A ferromagnetic crystal exhibits a stable and switchable magnetization that arises through the quantum mechanical phenomenon of exchange. There are very few 'multiferroic' materials that exhibit both of these properties, but the 'magnetoelectric' coupling of magnetic and electrical properties is a more general and widespread phenomenon. Although work in this area can be traced back to pioneering research in the 1950s and 1960s, there has been a recent resurgence of interest driven by long-term technological aspirations.
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ISSN:0028-0836
1476-4687
DOI:10.1038/nature05023