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Artificial multiferroic heterostructures for an electric control of magnetic properties
Affiliation:Unité mixte de physique CNRS/Thales, campus de l''École polytechnique, 1, avenue Augustin-Fresnel, 91767 Palaiseau, France
Abstract:The control of magnetism by electric fields is an important goal for future low-power spintronics devices. This partly explains the intensified recent interest for magnetoelectric multiferroic materials and heterostructures. The lack of ferro- or ferrimagnetic–ferroelectric materials with large magnetoelectric coupling between the two orders has spurred intensive research on artificial multiferroics combining ferroelectric or piezoelectric materials and ferromagnets. In this paper we review synthetically the potential of thin-film-based heterostructures in which a magnetic film is in contact with a ferroelectric or piezoelectric one to obtain an electric control of magnetic properties. This electric control either results from a strain-induced magnetoelectric coupling, a charge-driven one, or from the modulation of an interfacial exchange-bias interaction.
Keywords:Multiferroics  Heterostructures  Magnetoelectric coupling  Interfaces  Spintronics  Ferroelectrics  Multiferroïques  Hétérostructures  Couplage magnétoélectrique  Interfaces  Spintronique  Ferroélectriques
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