Title: Correlation between structural and magnetic properties of thin FexCo1-x(110) films on sapphire
Authors: Swerts, Johan ×
Temst, Kristiaan
Vandamme, Nele
Opperdoes, Bastiaan
Van Haesendonck, Christian
Bruynseraede, Yvan #
Issue Date: Jun-2002
Publisher: Elsevier science sa
Series Title: Thin Solid Films vol:413 issue:1-2 pages:212-217
Abstract: Fe and Fe40Co60 thin films (5-60 nm) with a bcc structure have been prepared on a-axis oriented sapphire substrates by molecular beam epitaxy. The structural properties have been characterized in situ by reflection high-energy electron diffraction and ex situ by X-ray diffraction and atomic force microscopy. A two-dimensional magneto-optical Kerr effect set-up has been used to determine the in-plane magnetization components and to investigate the magnetic anisotropy and the orientation dependence of the magnetization reversal process. The Fe films and Fe40Co60 alloy films both display a uniaxial in-plane anisotropy. They also exhibit a comparable increase of the coercive field along the easy axis with increasing thickness. We have evaluated this dependence using the results of the structural characterization, indicating that the enhancement of the coercive field is linked to the growing surface roughness and decreasing structural coherence. (C) 2002 Elsevier Science B.V. All rights reserved.
ISSN: 0040-6090
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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