Demagnetization Borne Microscale Skyrmions

Details Demagnetization Borne Microscale Skyrmions Demagnetization Borne Microscale Skyrmions

2012-04-05

arxiv.org/abs/1204.1323v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

Magnetic systems are an exciting realm of study that is being explored on smaller and smaller scales. One extremely interesting magnetic state that has gained momentum in recent years is the skyrmionic state. It is characterized by a vortex where the edge magnetic moments point opposite to the core. Although skyrmions have many possible realizations, in practice, creating them in a lab is a difficult task to accomplish. In this work, new methods for skyrmion generation and customization are suggested. Skyrmionic behavior was numerically observed in minimally customized simulations of spheres, hemisphere, ellipsoids, and hemi-ellipsoids, for typ- ical Cobalt parameters, in a range from approximately 40 nm to 120 nm in diameter simply by applying a field.

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