Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCD

X-ray resonant magnetic reflectivity (XRMR) allows for the simultaneous measurement of structural, optical, and magneto-optic properties and depth profiles of a variety of thin film samples. However, a same-beamtime same-sample systematic quantitative comparison of the magnetic properties observed u...

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Veröffentlicht in:Applied physics letters 2021-01, Vol.118 (1)
Hauptverfasser: Graulich, Dominik, Krieft, Jan, Moskaltsova, Anastasiia, Demir, Johannes, Peters, Tobias, Pohlmann, Tobias, Bertram, Florian, Wollschläger, Joachim, L. Mardegan, Jose R., Francoual, Sonia, Kuschel, Timo
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container_title Applied physics letters
container_volume 118
creator Graulich, Dominik
Krieft, Jan
Moskaltsova, Anastasiia
Demir, Johannes
Peters, Tobias
Pohlmann, Tobias
Bertram, Florian
Wollschläger, Joachim
L. Mardegan, Jose R.
Francoual, Sonia
Kuschel, Timo
description X-ray resonant magnetic reflectivity (XRMR) allows for the simultaneous measurement of structural, optical, and magneto-optic properties and depth profiles of a variety of thin film samples. However, a same-beamtime same-sample systematic quantitative comparison of the magnetic properties observed using XRMR and x-ray magnetic circular dichroism (XMCD) is still pending. Here, the XRMR results (Pt L3 absorption edge) for the magnetic proximity effect in Pt deposited on the two different ferromagnetic materials Fe and Co33Fe67 are compared with quantitatively analyzed XMCD results. The obtained results are in very good quantitative agreement between the absorption-based (XMCD) and reflectivity-based (XRMR) techniques, taking into account an ab initio calculated magneto-optic conversion factor for the XRMR analysis. Thus, it is shown that XRMR provides quantitative reliable spin depth profiles important for spintronic and spin caloritronic transport phenomena at this type of magnetic interfaces.
doi_str_mv 10.1063/5.0032584
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source AIP Journals Complete; Alma/SFX Local Collection
subjects Absorption
Applied physics
Dichroism
Ferromagnetic materials
Magnetic properties
Magnetism
Optical properties
Proximity effect (electricity)
Reflectance
Thin films
Transport phenomena
title Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCD
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