Title: Magnetic anisotropy and reversal in epitaxial Fe/MgO(001) films
Authors: Zhan, Qing-feng ×
Vandezande, Stijn
Temst, Kristiaan
Van Haesendonck, Christian #
Issue Date: Sep-2009
Publisher: Amer physical soc
Series Title: Physical review b vol:80 issue:9
Article number: 094416
Abstract: We investigate the magnetization reversal in Fe/MgO(001) films with fourfold in-plane magnetic anisotropy and an additional uniaxial anisotropy whose orientation and strength are altered using different growth geometries and postgrowth treatments. The previously adopted mechanism of 180 degrees domain-wall nucleation clearly fails to explain the observed 180 degrees magnetization reversal in Fe/MgO(001) films. We introduce a reversal mechanism with two successive domain-wall nucleations to consistently predict the switching fields of Fe/MgO(001) films for all field orientations with one set of values for domain-wall nucleation energies and uniaxial anisotropy.
ISSN: 2469-9950
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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