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Magnetization reversal process in thin Co nanowires

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
240
Identifiers
DOI: 10.1016/s0304-8853(01)00783-1
Keywords
  • Numerical Simulation Studies
  • Magnetization Reversal
  • Nanostructures

Abstract

Abstract The magnetoresistance of single Co nanowires of various widths is investigated at low temperatures applying magnetic fields μ 0 H up to 4.5 T. The in-plane longitudinal magnetoresistance shows pronounced features at coercive fields H c explained by the anisotropic magnetoresistance indicating the magnetization reversal process. Monte Carlo simulations present the magnetization distribution during the reversal process, revealing different mechanisms depending on the wire width.

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