Widespread orthorhombic fluctuations in the (Sr,Na)Fe2As2 family of superconductors

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dc.citation.articleNumber180505(R)en_US
dc.citation.issueNumber18en_US
dc.citation.journalTitlePhysical Review Ben_US
dc.citation.volumeNumber98en_US
dc.contributor.authorFrandsen, Benjamin A.en_US
dc.contributor.authorTaddei, Keith M.en_US
dc.contributor.authorBugaris, Daniel E.en_US
dc.contributor.authorStadel, Ryanen_US
dc.contributor.authorYi, Mingen_US
dc.contributor.authorAcharya, Aranien_US
dc.contributor.authorOsborn, Raymonden_US
dc.contributor.authorRosenkranz, Stephanen_US
dc.contributor.authorChmaissem, Omaren_US
dc.contributor.authorBirgeneau, Robert J.en_US
dc.date.accessioned2019-01-09T17:21:08Zen_US
dc.date.available2019-01-09T17:21:08Zen_US
dc.date.issued2018en_US
dc.description.abstractWe report comprehensive pair distribution function measurements of the hole-doped iron-based superconductor system Sr1−xNaxFe2As2. Structural refinements performed as a function of temperature and length scale reveal orthorhombic distortions of the instantaneous local structure across a large region of the phase diagram possessing average tetragonal symmetry, indicative of fluctuating nematicity. These nematic fluctuations are present up to high doping levels (x≳0.48, near optimal superconductivity) and high temperatures (above room temperature for x=0, decreasing to 150 K for x=0.48), with a typical length scale of 1–3 nm. This work highlights the ubiquity of nematic fluctuations in a representative iron-based superconductor and provides important details about the evolution of these fluctuations across the phase diagram.en_US
dc.identifier.citationFrandsen, Benjamin A., Taddei, Keith M., Bugaris, Daniel E., et al.. "Widespread orthorhombic fluctuations in the (Sr,Na)Fe2As2 family of superconductors." <i>Physical Review B,</i> 98, no. 18 (2018) American Physical Society: https://doi.org/10.1103/PhysRevB.98.180505.en_US
dc.identifier.digitalPhysRevB.98.180505en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevB.98.180505en_US
dc.identifier.urihttps://hdl.handle.net/1911/105019en_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.titleWidespread orthorhombic fluctuations in the (Sr,Na)Fe2As2 family of superconductorsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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