Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 283, Issue 1, Pages 82-88Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2004.04.132
Keywords
domain structure; nanowire; lorentz microscopy; micromagnetic simulation
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The magnetic domain structure in Co nanowires with dimensions x x y x z = 70 nm x 90 nm x 2 gm was examined by Lorentz microscopy and micromagnetic simulations. A slab of two collinear Co nanowires separated by Cu were produced from a sputtered and annealed 90 nm Co/180 nm Cu/90 nm Co trilayer by transmission electron microscopy preparation methods. The easy axis of magnetisation in the Co wires with a hexagonal, c-axis-textured grain structure is parallel to the gamma-direction. The magnetic domains are periodic and have a size of about 80 nm. A partially open closure domain pattern with tilted magnetisation was found by numeric simulation. (C) 2004 Elsevier B.V. All rights reserved.
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