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. and 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 (083017). pp. 1-11. ISSN 1367-2630

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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.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/806820
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: 10.1088/1367-2630/18/8/083017
Depositing User: Jungwirth, Tomas
Date Deposited: 03 Feb 2017 13:12
Last Modified: 04 May 2020 18:07
URI: https://eprints.nottingham.ac.uk/id/eprint/40286

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