Local Orthorhombicity in the Magnetic ${C}_{4}$ Phase of the Hole-Doped Iron-Arsenide Superconductor ${\mathrm{Sr}}_{1\ensuremath{-}x}{\mathrm{Na}}_{x}{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$

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dc.citation.articleNumber187001en_US
dc.citation.issueNumber18en_US
dc.citation.journalTitlePhysical Review Lettersen_US
dc.citation.volumeNumber119en_US
dc.contributor.authorFrandsen, Benjamin A.en_US
dc.contributor.authorTaddei, Keith M.en_US
dc.contributor.authorYi, Mingen_US
dc.contributor.authorFrano, Alexen_US
dc.contributor.authorGuguchia, Zuraben_US
dc.contributor.authorYu, Rongen_US
dc.contributor.authorSi, Qimiaoen_US
dc.contributor.authorBugaris, Daniel E.en_US
dc.contributor.authorStadel, Ryanen_US
dc.contributor.authorOsborn, Raymonden_US
dc.contributor.authorRosenkranz, Stephanen_US
dc.contributor.authorChmaissem, Omaren_US
dc.contributor.authorBirgeneau, Robert J.en_US
dc.contributor.orgRice Center for Quantum Materialsen_US
dc.date.accessioned2018-06-27T12:34:33Zen_US
dc.date.available2018-06-27T12:34:33Zen_US
dc.date.issued2017en_US
dc.description.abstractWe report on temperature-dependent pair distribution function measurements of Sr1−xNaxFe2As2, an iron-based superconductor system that contains a magnetic phase with reentrant tetragonal symmetry, known as the magnetic C4 phase. Quantitative refinements indicate that the instantaneous local structure in the C4 phase comprises fluctuating orthorhombic regions with a length scale of ∼2 nm, despite the tetragonal symmetry of the average static structure. Additionally, local orthorhombic fluctuations exist on a similar length scale at temperatures well into the paramagnetic tetragonal phase. These results highlight the exceptionally large nematic susceptibility of iron-based superconductors and have significant implications for the magnetic C4 phase and the neighboring C2 and superconducting phases.en_US
dc.identifier.citationFrandsen, Benjamin A., Taddei, Keith M., Yi, Ming, et al.. "Local Orthorhombicity in the Magnetic ${C}_{4}$ Phase of the Hole-Doped Iron-Arsenide Superconductor ${\mathrm{Sr}}_{1\ensuremath{-}x}{\mathrm{Na}}_{x}{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$." <i>Physical Review Letters,</i> 119, no. 18 (2017) American Physical Society: https://doi.org/10.1103/PhysRevLett.119.187001.en_US
dc.identifier.digitalPhysRevLett.119.187001en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.119.187001en_US
dc.identifier.urihttps://hdl.handle.net/1911/102280en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleLocal Orthorhombicity in the Magnetic ${C}_{4}$ Phase of the Hole-Doped Iron-Arsenide Superconductor ${\mathrm{Sr}}_{1\ensuremath{-}x}{\mathrm{Na}}_{x}{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$en_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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