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Switching behavior of single nanoscale permalloy wires studied with magnetoresistance

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/j.jmmm.2003.12.310
Keywords
  • Magnetoresistance
  • Magnetization Reversal Processes
  • Magnetic Properties Of Nanostructures

Abstract

Abstract Magnetoresistance measurements are performed at 2, 4.2 and 300 K on single nanoscale permalloy (Py) wires of widths ( w) ranging from 0.47 to 10.4 μm . The magnetization reversal process in transverse magnetic field is discussed in terms of coherent spin rotation and in longitudinal magnetic field the switching field depends linearly on the reciprocal width indicating an incoherent magnetization reversal.

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