Stable room-temperature ferromagnetic phase at the FeRh(100) surface

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dc.contributor.authorPressacco, Fredericocs
dc.contributor.authorUhlíř, Vojtěchcs
dc.contributor.authorGatti, Matteocs
dc.contributor.authorBendounan, A.cs
dc.contributor.authorFullerton, E.E.cs
dc.contributor.authorSirotti, F.cs
dc.coverage.issue1cs
dc.coverage.volume6cs
dc.date.accessioned2020-08-04T11:02:56Z
dc.date.available2020-08-04T11:02:56Z
dc.date.issued2016-03-03cs
dc.description.abstractInterfaces and low dimensionality are sources of strong modifications of electronic, structural, and magnetic properties of materials. FeRh alloys are an excellent example because of the first-order phase transition taking place at ~400K from an antiferromagnetic phase at room temperature to a high temperature ferromagnetic one. It is accompanied by a resistance change and volume expansion of about 1%. We have investigated the electronic and magnetic properties of FeRh(100) epitaxially grown on MgO by combining spectroscopies characterized by different probing depths, namely X-ray magnetic circular dichroism and photoelectron spectroscopy. We find that the symmetry breaking induced at the Rh-terminated surface stabilizes a surface ferromagnetic layer involving five planes of Fe and Rh atoms in the nominally antiferromagnetic phase at room temperature. First-principles calculations provide a microscopic description of the structural relaxation and the electron spin-density distribution that support the experimental findings.en
dc.description.abstractČlánek se zabývá elektrickými a magnetickými vlastnostmi epitaxního FeRh(100) vyrostlého na MgO.cs
dc.formattextcs
dc.format.extent1-9cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationScientific Reports. 2016, vol. 6, issue 1, p. 1-9.en
dc.identifier.doi10.1038/srep22383cs
dc.identifier.issn2045-2322cs
dc.identifier.other133850cs
dc.identifier.urihttp://hdl.handle.net/11012/179547
dc.language.isoencs
dc.publisherSpringer Naturecs
dc.relation.ispartofScientific Reportscs
dc.relation.urihttps://www.nature.com/articles/srep22383cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2045-2322/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectKruhový dichroismus
dc.subjectRozhraní oxidu
dc.subjectSlitina FeRh
dc.subjectMagnetizace
dc.subjectFotoemise
dc.subjectCircular-dichroismen
dc.subjectOxide interfacesen
dc.subjectFeRh alloyen
dc.subjectMagnetizationen
dc.subjectPhotoemissionen
dc.titleStable room-temperature ferromagnetic phase at the FeRh(100) surfaceen
dc.title.alternativeStabilní ferromagnetická fáze povrchu FeRh(100) za pokojové teplotycs
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-133850en
sync.item.dbtypeVAVen
sync.item.insts2020.08.04 13:02:56en
sync.item.modts2020.08.04 12:44:37en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
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