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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:1602.07895 (cond-mat)
[Submitted on 25 Feb 2016]

Title:Static Magnetic Proximity Effect in Pt Layers on Sputter-Deposited NiFe2O4 and on Fe of Various Thicknesses Investigated by XRMR

Authors:Timo Kuschel, Christoph Klewe, Panagiota Bougiatioti, Olga Kuschel, Joachim Wollschläger, Laurence Bouchenoire, Simon D. Brown, Jan-Michael Schmalhorst, Daniel Meier, Günter Reiss
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Abstract:The longitudinal spin Seebeck effect is detected in sputter-deposited NiFe2O4 films using Pt as a spin detector and compared to previously investigated NiFe2O4 films prepared by chemical vapor deposition. Anomalous Nernst effects induced by the magnetic proximity effect in Pt can be excluded for the sputter-deposited NiFe2O4 films down to a certain limit, since x-ray resonant magnetic reflectivity measurements show no magnetic response down to a limit of 0.04 {\mu}B per Pt atom comparable to the case of the chemicallydeposited NiFe2O4 films. These differently prepared films have various thicknesses. Therefore, we further studied Pt/Fe reference samples with various Fe thicknesses and could confirm that the magnetic proximity effect is only induced by the interface properties of the magnetic material.
Comments: 4 pages, 4 figures
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:1602.07895 [cond-mat.mes-hall]
  (or arXiv:1602.07895v1 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.1602.07895
Journal reference: IEEE Trans. Magn. 52, 4500104 (2016)
Related DOI: https://doi.org/10.1109/TMAG.2015.2512040

Submission history

From: Timo Kuschel [view email]
[v1] Thu, 25 Feb 2016 12:01:15 UTC (1,170 KB)
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