Magnetoelectricity in multiferroics: a theoretical perspective

  • Shuai Dong
    School of Physics, Southeast University, Nanjing 211189, China
  • Hongjun Xiang
    Key Laboratory of Computational Physical Sciences (Ministry of Education), State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200433, China
  • Elbio Dagotto
    Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA

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<jats:title>ABSTRACT</jats:title><jats:p>The key physical property of multiferroic materials is the existence of coupling between magnetism and polarization, i.e. magnetoelectricity. The origin and manifestations of magnetoelectricity can be very different in the available plethora of multiferroic systems, with multiple possible mechanisms hidden behind the phenomena. In this review, we describe the fundamental physics that causes magnetoelectricity from a theoretical viewpoint. The present review will focus on mainstream physical mechanisms in both single-phase multiferroics and magnetoelectric heterostructures. The most recent tendencies addressing possible new magnetoelectric mechanisms will also be briefly outlined.</jats:p>

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