Oscillatory Thickness Dependence of the Coercive Field in Magnetic 3D Anti-Dot Arrays

Details Oscillatory Thickness Dependence of the Coercive Field in Magnetic 3D Anti-Dot Arrays Oscillatory Thickness Dependence of the Coercive Field in Magnetic 3D Anti-Dot Arrays

2004-06-03

arxiv.org/abs/cond-mat/0406091v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

We present studies on magnetic nano-structures with 3D architectures, fabricated using electrodeposition in the pores of well-ordered templates prepared by self-assembly of polystyrene latex spheres. The coercive field is found to demonstrate an oscillatory dependence on film thickness reflecting the patterning transverse to the film plane. Our results demonstrate that 3D patterned magnetic materials are prototypes of a new class of geometrical multilayer structures in which the layering is due to local shape effects rather then compositional differences.

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