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Science 15 July 2005:
Vol. 309. no. 5733, pp. 391 - 392
DOI: 10.1126/science.1113357
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Perspectives

MATERIALS SCIENCE:
The Renaissance of Magnetoelectric Multiferroics

Nicola A. Spaldin and Manfred Fiebig

Magnetoelectric multiferroics combine ferromagnetism (a spontaneous magnetization that can be switched by a magnetic field) and ferroelectricity (a spontaneous electric polarization that can be switched by an electric field) in the same phase. They have tremendous potential for applications, not only because they possess the properties of both parent phenomena, but also because coupling between ferromagnetism and ferroelectricity can lead to additional novel effects. In their Perspective, Spaldin and Fiebig discuss the factors behind the recent resurgence of interest in magnetoelectric multiferroics, describe some exciting results emerging from the current research activities, and point to important challenges and directions for future work.

N. A. Spaldin is in the Materials Department, University of California, Santa Barbara, CA 93106, USA. E-mail: nicola{at}mrl.ucsb.edu M. Fiebig is at the Max-Born-Institut, Max-Born-Strae 2A, 12489 Berlin, Germany. E-mail: fiebig{at}mbi-berlin.de

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Science. ISSN 0036-8075 (print), 1095-9203 (online)