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Multiferroics

Making a point of control

The coexistence of spin order and disorder at a critical point in the phase diagram of multiferroic materials may be exploited to locally control magnetoelectric coupling — as is now shown for doped BiFeO3 by means of scanning probe microscopy.

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Figure 1: Schematic composition–temperature phase diagram of the La-doped BiFeO3 system investigated by Jang et al.1.

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Correspondence to Sergei V. Kalinin.

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Kalinin, S. Making a point of control. Nature Phys 13, 115–116 (2017). https://doi.org/10.1038/nphys4033

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