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Title: Noninvasive observation of magnetization reversal in micron-sized Co bars
Authors: Bekaert, Joost ×
Van Bael, Margriet
Buntinx, Dieter
Temst, Kristiaan
Van Haesendonck, Christian
Moshchalkov, Victor
Lagae, Liesbet
De Boeck, J
Borghs, Gustaaf #
Issue Date: Jun-2003
Publisher: Amer inst physics
Series Title: Review of Scientific Instruments vol:74 issue:6 pages:3062-3066
Abstract: We demonstrate how room temperature scanning Hall probe microscopy (SHPM) can be applied to noninvasively probe the (meta-)stable magnetic domain states of individual mesoscopic Co bars as a function of applied field. These data are correlated with magneto-optical measurements of the hysteresis loop as well as higher spatial resolution magnetic force microscopy imaging. In particular, we show how a combination of visualization techniques is essential for fully understanding the mechanism of magnetization reversal in such microstructures. Micromagnetic calculations of the magnetic states and their corresponding stray fields are correlated with the observations. These experiments prove the usefulness of a noninvasive and quantitative technique such as room temperature SHPM in an applied magnetic field to study magnetic domain stability and switching field distributions. (C) 2003 American Institute of Physics.
URI: 
ISSN: 0034-6748
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Electrical Engineering - miscellaneous
Physics and Astronomy - miscellaneous
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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