Local orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAs

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dc.citation.articleNumber3128en_US
dc.citation.journalTitleNature Communicationsen_US
dc.citation.volumeNumber9en_US
dc.contributor.authorWang, Weiyien_US
dc.contributor.authorSong, Yuen_US
dc.contributor.authorCao, Chongdeen_US
dc.contributor.authorTseng, Kuo-Fengen_US
dc.contributor.authorKeller, Thomasen_US
dc.contributor.authorLi, Yuen_US
dc.contributor.authorHarriger, L.W.en_US
dc.contributor.authorTian, Weien_US
dc.contributor.authorChi, Songxueen_US
dc.contributor.authorYu, Rongen_US
dc.contributor.authorNevidomskyy, Andriy H.en_US
dc.contributor.authorDai, Pengchengen_US
dc.date.accessioned2018-11-12T15:40:01Zen_US
dc.date.available2018-11-12T15:40:01Zen_US
dc.date.issued2018en_US
dc.description.abstractUnderstanding the interplay between nematicity, magnetism and superconductivity is pivotal for elucidating the physics of iron-based superconductors. Here we use neutron scattering to probe magnetic and nematic orders throughout the phase diagram of NaFe1-xNixAs, finding that while both static antiferromagnetic and nematic orders compete with superconductivity, the onset temperatures for these two orders remain well separated approaching the putative quantum critical points. We uncover local orthorhombic distortions that persist well above the tetragonal-to-orthorhombic structural transition temperature Ts in underdoped samples and extend well into the overdoped regime that exhibits neither magnetic nor structural phase transitions. These unexpected local orthorhombic distortions display Curie-Weiss temperature dependence and become suppressed below the superconducting transition temperature Tc, suggesting that they result from the large nematic susceptibility near optimal superconductivity. Our results account for observations of rotational symmetry breaking above Ts, and attest to the presence of significant nematic fluctuations near optimal superconductivity.en_US
dc.identifier.citationWang, Weiyi, Song, Yu, Cao, Chongde, et al.. "Local orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAs." <i>Nature Communications,</i> 9, (2018) Springer Nature: https://doi.org/10.1038/s41467-018-05529-2.en_US
dc.identifier.digitals41467-018-05529-2en_US
dc.identifier.doihttps://doi.org/10.1038/s41467-018-05529-2en_US
dc.identifier.urihttps://hdl.handle.net/1911/103324en_US
dc.language.isoengen_US
dc.publisherSpringer Natureen_US
dc.rightsThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleLocal orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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