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News and Views
Nature Materials 7, 269 - 270 (2008)
doi:10.1038/nmat2143
Transition metal oxides: Multiferroics go high-TC
Maxim Mostovoy1
- Maxim Mostovoy is at the Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
e-mail: M.Mostovoy@rug.nl
Abstract
The discovery of magnetically induced electric polarization in cupric oxide at 230 K has uncovered a new class of multiferroics with significantly higher ordering temperatures.
The discovery by Tsuyoshi Kimura and colleagues of a multiferroic coupling in cupric oxide up to 230 K, as reported on page 291 of this issue1, is all the more remarkable as physicists had been wondering for a long time if it is possible at all to align electric dipoles by magnetic fields or change the direction of magnetization by applying voltage. To some, such a magnetoelectric coupling may seem to be an oddity, as static magnetic and electric dipoles do not interact.
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