Manfred Fiebig, Thomas Lottermoser, Dennis Meier, Morgan Trassin
2016/7/5
Nature Reviews Materials
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Nature Publishing Group
Materials with a coexistence of magnetic and ferroelectric order—multiferroics—provide an efficient route for the control of magnetism by electric fields. The study of multiferroics dates back to the 1950s, but in recent years, key discoveries in theory, synthesis and characterization techniques have led to a new surge of interest in these materials. Different mechanisms, such as lone-pair, geometric, charge-ordering and spin-driven effects, can support multiferroicity. The general focus of the field is now shifting into neighbouring research areas, as we discuss in this Review. Multiferroic thin-film heterostructures, device architectures, and domain and interface effects are explored. The violation of spatial and inversion symmetry in multiferroic materials is a key feature because it determines their properties. Other aspects, such as the non-equilibrium dynamics of multiferroics, are underrated and should be included in the …
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M Fiebig, T Lottermoser, D Meier, M Trassin - Nature Reviews Materials, 2016