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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. (Univerzita Karlova (Praga, República Txeca))
Brajer, M. (Univerzita Karlova (Praga, República Txeca))
Horák, L. (Univerzita Karlova (Praga, República Txeca))
Reichlová, H. (Akademie věd České republiky)
Výborný, K. (Akademie věd České republiky)
Veis, M. (Univerzita Karlova (Praga, República Txeca))
Janda, T. (Univerzita Karlova (Praga, República Txeca))
Trojánek, F. (Univerzita Karlova (Praga, República Txeca))
Maryško, M. (Akademie věd České republiky)
Fina Martínez, Ignasi (Institut Català de Nanociència i Nanotecnologia)
Martí Rovirosa, Xavier (Institut Català de Nanociència i Nanotecnologia)
Jungwirth, T. (The University of Nottingham)
Němec, P. (Univerzita Karlova (Praga, República Txeca))

Date: 2016
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.
Note: Número d'acord de subvenció EC/FP7/268066
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès.
Document: article ; recerca ; publishedVersion
Subject: Antiferromagnet ; Phase transition ; Optical permittivity
Published in: New Journal of Physics, Vol. 18 (August 2016) , art. 083017, ISSN 1367-2630

DOI: 10.1088/1367-2630/18/8/083017

12 p, 8.4 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2019-06-03, last modified 2019-07-21

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