Abstract
We study skyrmion states induced by the oblique field in a square magnetic island. To describe stable states and dynamics of the skyrmion, we employ the lattice model that accounts for all relevant interactions and uses parameters in the range of practical interest. Depending on the orientation of the field, two or four spatially separated energy minima emerge in the oblique field. The depth of the energy minima can be controlled by the strength and orientation of the magnetic field. We study the dynamics of the skyrmion and show that it can be moved between any two states by the field gradient. Possible applications for developing binary and quaternary skyrmion-based memory are discussed.
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