4.4 Article

Impact of Magneto-Electric Coupling on Metastable Magnetic States in Thin Disks

Journal

IEEE TRANSACTIONS ON MAGNETICS
Volume 58, Issue 8, Pages -

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2022.3149163

Keywords

Perpendicular magnetic anisotropy; Magnetic anisotropy; Magnetoelectric effects; Electric fields; Magnetostatics; Magnetization; Magnetic multilayers; Magnetic vortices; magneto-electric coupling; phase diagram; skyrmions and cycloids

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The role of the electric field on the magnetic ground state in thin disks is investigated, and the equation governing the magnetic equilibrium is derived and solved by varying electric and magnetic fields. The equilibrium states obtained are classified in a phase diagram, which divides the plane of the electric and magnetic fields based on the shape of magnetization profile. Full micromagnetic simulations are used for confirmation.
The role of the electric field on the magnetic ground state in thin disks is investigated. The equation governing the magnetic equilibrium in the case of rotational symmetry is derived and solved by varying electric and magnetic fields. The equilibrium states so obtained are classified in a phase diagram, which divides the plane of the electric and magnetic fields in regions where the magnetization profile has certain shape. Full micromagnetic simulations are used to confirm our analysis.

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