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Equilibrium large vortex state in ferromagnetic disks
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10.1063/1.4809760
/content/aip/journal/jap/113/22/10.1063/1.4809760
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/22/10.1063/1.4809760
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Image of FIG. 1.
FIG. 1.

Equilibrium and stability of large magnetic vortex state in circular cylinders of different radii and thicknesses in soft magnetic material with exchange length and saturation magnetization . Solid lines separate the regions, where different states (uniform in-plane, uniform out-of-plane, classical vortex, and large vortex) have the lowest energy. They correspond to particle geometries, where the energies of these states are equal. Metastability region of large magnetic vortex is shown by darker shading. Lettered dashed lines correspond to different modes of vortex stability loss and are discussed in the text. The line corresponds to the radius of classical vortex, which depends on cylinder's thickness only. Inset shows out-of-plane magnetization component distribution as function of reduced radial coordinate / in large and classical vortex at a particular geometry, where they both are stable and have the same energy ( ).

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/content/aip/journal/jap/113/22/10.1063/1.4809760
2013-06-14
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Equilibrium large vortex state in ferromagnetic disks
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/22/10.1063/1.4809760
10.1063/1.4809760
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