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  • Title: Electric field control of magnetization reorientation in Co/Pb (Mg1/3Nb2/3)-PbTiO3 heterostructure.
    Author: Wang F, Zhou C, Gesang D, Jiang C.
    Journal: Nanoscale Res Lett; 2017 Dec; 12(1):104. PubMed ID: 28209024.
    Abstract:
    Herein, we demonstrated an apparent electric field control of magnetization reorientation at room temperature, through a strain-mediated magnetoelectric coupling in ferromagnetic/ferroelectric (FM/FE) multiferroic heterostructure. As the applied electric field increased, the magnetization tended to deviate from the original direction, which was induced by nonlinear strain vs electric-field behavior from the ferroelectric substrates. Ferromagnetic resonance showed that the in-plane magnetic easy axis of the Co film was shifted sharply with electric field E = 10 kV/cm, which indicates that the in-plane uniaxial magnetic anisotropy of the Co film can be inverted via the application of an electric field. These results demonstrated that converse magnetoelectric effect in the FM/FE heterostructure was indeed a feasible method to control magnetization orientation in technologically relevant ferromagnetic thin films at room temperature.
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