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Magnetostatic bias in a composite hard/soft/hard microlayer

AutorKraus, L.; Pirota, K. R. ; Torrejón, Jacob ; Vázquez Villalabeitia, Manuel
Fecha de publicación26-mar-2007
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 101(6): 063910 (2007)
ResumenA composite magnetically hard/soft/hard trilayer ribbon with micrometric thickness has been prepared by combined melt-spinning and electroplating techniques. Its main peculiarities relate to the existence of a magnetic coupling between hard and soft magnetic phases resulting in bias magnetic field acting on the soft layer. A systematic study of the low-field hysteresis loops has been performed after premagnetizing under a direct current saturating field as a function of the geometrical dimensions of both types of layers. The analysis of the observed bias effect has allowed us to conclude the magnetostatic origin of the tailorable coupling. The present investigation in microscale system points out to the potential technological applications that in a further step can be developed in nanomagnetic systems.
Descripción4 pages, 6 figures.
Versión del editorhttp://dx.doi.org/10.1063/1.2713363
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