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Title: Simultaneous polarized neutron reflectometry and anisotropic magnetoresistance measurements
Authors: Demeter, Joost ×
Teichert, A
Kiefer, K
Wallacher, D
Ryll, H
Menéndez Dalmau, Enric
Paramanik, Dipak
Steitz, R
Van Haesendonck, Chris
Vantomme, André
Temst, Kristiaan #
Issue Date: Mar-2011
Publisher: American Institute of Physics
Series Title: Review of Scientific Instruments vol:82 issue:3 pages:1-7
Article number: 033902
Abstract: A novel experimental facility to carry out simultaneous polarized neutron reflectometry (PNR) and
anisotropic magnetoresistance (AMR) measurements is presented. Performing both techniques at the
same time increases their strength considerably. The proof of concept of this method is demonstrated
on a CoO/Co bilayer exchange bias system. Although information on the same phenomena, such as
the coercivity or the reversal mechanism, can be separately obtained from either of these techniques,
the simultaneous application optimizes the consistency between both. In this way, possible differences
in experimental conditions, such as applied magnetic field amplitude and orientation, sample temperature,
magnetic history, etc., can be ruled out. Consequently, only differences in the fundamental sensitivities
of the techniques can cause discrepancies in the interpretation between the two. The almost
instantaneous information obtained from AMR can be used to reveal time-dependent effects during
the PNR acquisition. Moreover, the information inferred from the AMR measurements can be used
for optimizing the experimental conditions for the PNR measurements in a more efficient way than
with the PNR measurements alone.
ISSN: 0034-6748
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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