Electrical Control of Magnetization in Charge-ordered Multiferroic LuFe2O4

Details Electrical Control of Magnetization in Charge-ordered Multiferroic LuFe2O4 Electrical Control of Magnetization in Charge-ordered Multiferroic LuFe2O4

2009-04-03

arxiv.org/abs/0904.0520v1

Phys. Rev. B 79 172412 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

14 pages, 5 figures

Scientific paper

LuFe2O4 exhibits multiferroicity due to charge order on a frustrated triangular lattice. We find that the magnetization of LuFe2O4 in the multiferroic state can be electrically controlled by applying voltage pulses. Depending on with or without magnetic fields, the magnetization can be electrically switched up or down. We have excluded thermal heating effect and attributed this electrical control of magnetization to an intrinsic magnetoelectric coupling in response to the electrical breakdown of charge ordering. Our findings open up a new route toward electrical control of magnetization.

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