Nano Archive

Angular dependence of coercivity in magnetic nanotubes

Escrig, J and Daub, M and Landeros, P and Nielsch, K and Altbir, D (2007) Angular dependence of coercivity in magnetic nanotubes. Nanotechnology, 18 (44). p. 445706. ISSN 09574484

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Official URL: http://dx.doi.org/10.1088/0957-4484/18/44/445706

Abstract

The nucleation field for infinite magnetic nanotubes, in the case of a magnetic field applied parallel to the long axis of the tubes, is calculated as a function of their geometric parameters and compared with those produced inside the pores of anodic alumina membranes by atomic layer deposition. We also extended this result to the case of an angular dependence. We observed a transition from curling-mode rotation to coherent-mode rotation as a function of the angle in which the external magnetic field is applied. Finally, we observed that the internal radii of the tubes favors the magnetization curling reversal.

Item Type:Article
Subjects:Physical Science > Nanophysics
ID Code:7362
Deposited By:M T V
Deposited On:04 Nov 2009 14:53
Last Modified:04 Nov 2009 14:53

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