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- Title
Diameter-Controllable Magnetic Properties of Co Nanowire Arrays by Pulsed Electrodeposition.
- Authors
Youwen Yang; Yanbiao Chen; Yucheng Wu; Xiangying Chen; Mingguang Kong
- Abstract
The Co nanowires with different diameters were prepared by pulsed electrodeposition into anodic alumina membranes oxide templates. The micrographs and crystal structures of nanowires were studied by FE-SEM, TEM, and XRD. Due to their cylindrical shape, the nanowires exhibit perpendicular anisotropy. The coercivity and loop squareness (Mr/Ms) of Co nanowires depend strongly on the diameter. Both coercivity and Mr/Ms decrease with increasing wire diameter. The behavior of the nanowires is explained briefly in terms of localized magnetization reversal.
- Subjects
MAGNETIC properties of metals; COBALT; NANOWIRES; ELECTROFORMING; METAL crystals; ANISOTROPY
- Publication
Journal of Nanomaterials, 2010, p1
- ISSN
1687-4110
- Publication type
Article
- DOI
10.1155/2010/793854