Micromagnetic simulations of hysteresis loops in ferromagnetic Reuleaux's triangles

We investigate the magnetic behavior of Fe, Co, Ni, and permalloy nanomagnets using micromagnetic simulations. We propose a Reuleaux's triangle geometry shape for the individual nanomagnets. Reuleaux's triangle combines the equilateral triangle and circular geometry. The effects of varying...

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Bibliographic Details
Published in:Journal of applied physics 2005-05, Vol.97 (10), p.10E318-10E318-3
Main Authors: Muñoz-Sandoval, E., Torres-Heredia, J. J., López-Urías, F.
Format: Article
Language:English
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Summary:We investigate the magnetic behavior of Fe, Co, Ni, and permalloy nanomagnets using micromagnetic simulations. We propose a Reuleaux's triangle geometry shape for the individual nanomagnets. Reuleaux's triangle combines the equilateral triangle and circular geometry. The effects of varying the thickness (10, 20, and 40 nm ) of these structures on the remanence magnetization and the coercive field are analyzed. Our results demonstrate that in most cases the hysteresis loops follow C, Ω , and vortex configurations in the magnetization reversal process. In addition, the magnetic properties of the small arrays of these nanomagnets are presented.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1858113