Abstract
The striction magnetoelectric effect in hybrid systems consisting of a magnetic film applied on the surface of a ferroelectric has been investigated. Films with planar (galfenol, nickel) and perpendicular (Co/Pt multilayer structures) magnetic anisotropy have been used. A PMN–PT crystal has served as ferroelectric. The hysteresis loops of magnetic films have been studied as a function of voltage applied to the ferroelectric crystal. A voltage applied to films with easy-plane anisotropy causes the anisotropy axis to turn in the plane of the sample. In structures with easy-axis anisotropy, the hysteresis shape changes, which, according to numerical simulation, may be associated with a change in interfacial Dzyaloshinsky–Moriya interaction at the Co/Pt interface.
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This study was supported by the Russian Foundation for Basic Research (grant no. 18-42-520013R_A) and Russian Science Foundation (grant no. 18-72-10026).
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Translated by V. Isaakyan
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Gusev, N.S., Sapozhnikov, M.V., Udalov, O.G. et al. The Magnetoelectric Effect in Ferroelectric/Ferromagnetic Film Hybrid Systems with Easy-Plane and Easy-Axis Anisotropy. Tech. Phys. 65, 1832–1836 (2020). https://doi.org/10.1134/S1063784220110158
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DOI: https://doi.org/10.1134/S1063784220110158