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Angular dependence of the transverse and vortex modesin magneticnanotubes |
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| Authors: | S. Allende J. Escrig D. Altbir E. Salcedo M. Bahiana |
| Affiliation: | (1) Departamento de Física, Universidad de Santiago de Chile, USACH, Av. Ecuador 3493, Santiago, Chile;(2) Instituto de Física, Universidade Federal do Rio Grande do Sul, CP 15051, 91501-970 Porto Alegre, RS, Brazil;(3) Universidade Federal do Rio de Janeiro, Instituto de Física, CP 68528, 21941-972 Rio de Janeiro, Brazil |
| Abstract: | The angular dependence of the transverse and vortex modes in a magnetic nanotube is investigated as a function of the tube geometry, by means of analytical calculations and numerical simulations. A critical radius defining the transition between vortex and transverse reversal modes is determined, leading to low or high coercivity modes just by varying the direction of the external field, in a fixed nanotube. |
| Keywords: | KeywordHeading" >PACS 73.63.Fg Nanotubes 74.25.Ha Magnetic properties |
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