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Magnetization reversal in (0 0 1)Fe thin films studied by combining domain images and MOKE hysteresis loops

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
210
Identifiers
DOI: 10.1016/s0304-8853(99)00761-1
Keywords
  • Magnetization Reversal
  • Magnetic Domains
  • Moke Hysteresis Loops
  • Pinning Energy
  • Second-Order Magneto-Optic Effect
  • Magnetic Thin Films

Abstract

Abstract The magnetization reversal of epitaxial single-crystal Fe films has been studied by combining domain images and hysteresis loops. The reversal is quantitatively described by combining the coherent rotation model and the domain wall displacement model. The pinning energy exerted on the domain walls and the domain wall angle at the switching fields are obtained by fitting this model to experimental hysteresis loops. The field-dependent pinning energy and the domain wall angle in the reversal process, and the contributions of second-order magneto-optic effect to hysteresis loops, are revealed to be two important features of single-crystal Fe films.

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