Spin-Driven Ferroelectricity and Magneto-Electric Effects in Frustrated Magnetic Systems

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概要

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• The interplay between magnetism and electricity in matter has become a central issue of condensed-matter physics. This review focuses on the ferroelectricity induced by magnetic order mostly in frustrated magnets, which is nowadays referred to as magneto-electric (ME) multiferroic, or often only as multiferroic. Some distinct types of microscopic origins relevant to the spin-driven ferroelectricity are discussed in detail. Then one sees that the frustration-based spin-driven ferroelectrics can exhibit nonlinear and giant ME responses of phase-transition type and of domain-control type, in contrast to the conventional magnetoelectrics hosting linear ME effects.

• 2011-05-15

著者

• Arima Taka-hisa

  Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba 277-8561, Japan

関連論文

• Spin-Driven Ferroelectricity and Magneto-Electric Effects in Frustrated Magnetic Systems
• Time-Reversal Symmetry Breaking and Consequent Physical Responses Induced by All-In-All-Out Type Magnetic Order on the Pyrochlore Lattice

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