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Solid-state physics

Response with a twist

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.

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Figure 1: Topsy-turvy world.
Figure 2: Ferrotoroidicity in LiCoPO4.


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Rabe, K. Response with a twist. Nature 449, 674–675 (2007).

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