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Nature 449, 674-675 (11 October 2007) | doi:10.1038/449674a; Published online 10 October 2007
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Solid-state physics: Response with a twist
Karin M. Rabe1
Abstract
The behaviour of ferromagnetic and ferroelectric materials in a magnetic or electric field makes them easy to spot. But for their more recently discovered counterpart, ferrotoroidic materials, things become complex.
Ordering, with its effects on the symmetry and properties of crystals, is central to many phenomena in solid-state physics. The most familiar example is ferromagnetism: the alignment, even in the absence of an applied magnetic field, of local magnetic moments in a material that results in a uniform, permanent magnetization.
- Karin M. Rabe is in the Department of Physics and Astronomy, Rutgers, The State University of New Jersey, 136 Frelinghuysen Road, Piscataway, New Jersey 08854-8019, USA.
Email: rabe@physics.rutgers.edu
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