F. A. Apolonio, W. A. Moura-Melo, F. P. Crisafulli, A. R. Pereira, R. L. Silva
Published 2009-08-20Version 1
A model for describing structural pointlike defects in nanoscaled ferromagnetic materials is presented. Its details are explicitly developed whenever interacting with a vortex-like state comprised in a thin nanodisk. Among others, our model yields results for the vortex equilibrium position under the influence of several defects along with an external magnetic field in good qualitative agreement with experiments. We also discuss how such defects may affect the vortex motion, like its gyrotropic oscillation and dynamical polarization reversal.
Comments: 8 pages, resubmitted to Journal of Applied Physics
Journal: J. Appl. Phys. 106, 084320 (2009)
Two-dimensional electron gas in a periodic potential and external magnetic field: states of pairs and three-particle systems
Anisotropy of zero-bias diffusive anomalies for different orientations of an external magnetic field
Spin relaxation in the impurity band of a semiconductor in the external magnetic field
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