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Investigation of magneto-structural phase transition in FeRh by reflectivity and transmittance measurements in visible and near-infrared spectral region

Saidl, V.; Brajer, M.; Horák, L.; Reichlová, H.; Výborný, K.; Veis, M.; Janda, T.; Trojánek, F.; Marysko, M.; Fina, I.; Marti, X.; Jungwirth, T.; Němec, P.

Authors

V. Saidl

M. Brajer

L. Horák

H. Reichlová

K. Výborný

M. Veis

T. Janda

F. Trojánek

M. Marysko

I. Fina

X. Marti

TOMAS JUNGWIRTH tomas.jungwirth@nottingham.ac.uk
Research Professor of Ferromagnetic Semiconductors

P. Němec



Abstract

Magneto-structural phase transition in FeRh epitaxial layers was studied optically. It is shown that the transition between the low-temperature antiferromagnetic phase and the high-temperature ferromagnetic phase is accompanied by a rather large change of the optical response in the visible and near-infrared spectral ranges. This change is consistent with ab initio calculations of reflectivity and transmittance. Phase transition temperatures in a series of FeRh films with thicknesses ranging from 6 to 100 nm is measured thereby demonstrating the utility of the method to quickly characterise samples. Spatially resolved imaging of their magnetic properties with a micrometer resolution shows that the phase transition occurs at different temperatures in different parts of the sample.

Journal Article Type Article
Publication Date Aug 3, 2016
Journal New Journal of Physics
Electronic ISSN 1367-2630
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 18
Issue 83017
Pages 1-11
APA6 Citation Saidl, V., Brajer, M., Horák, L., Reichlová, H., Výborný, K., Veis, M., …Němec, P. (2016). Investigation of magneto-structural phase transition in FeRh by reflectivity and transmittance measurements in visible and near-infrared spectral region. New Journal of Physics, 18(83017), 1-11. https://doi.org/10.1088/1367-2630/18/8/083017
DOI https://doi.org/10.1088/1367-2630/18/8/083017
Publisher URL http://iopscience.iop.org/article/10.1088/1367-2630/18/8/083017/meta
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
Additional Information Journal title: New Journal of Physics; Article type: paper; Article title: Investigation of magneto-structural phase transition in FeRh by reflectivity and transmittance measurements in visible and near-infrared spectral region; Copyright information: © 2016 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft; License information: cc-by Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Date received: 2016-04-12; Date accepted: 2016-07-18; Online publication date: 2016-08-03

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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