Effect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2

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dc.citation.articleNumber227003
dc.citation.issueNumber22
dc.citation.journalTitlePhysical Review Letters
dc.citation.volumeNumber117
dc.contributor.authorZhang, Wenliang
dc.contributor.authorPark, J.T.
dc.contributor.authorLu, Xingye
dc.contributor.authorWei, Yuan
dc.contributor.authorMa, Xiaoyan
dc.contributor.authorHao, Lijie
dc.contributor.authorDai, Pengcheng
dc.contributor.authorMeng, Zi Yang
dc.contributor.authorYang, Yi-feng
dc.contributor.authorLuo, Huiqian
dc.contributor.authorLi, Shiliang
dc.date.accessioned2017-05-02T21:09:55Z
dc.date.available2017-05-02T21:09:55Z
dc.date.issued2016
dc.description.abstractThe origin of nematic order remains one of the major debates in iron-based superconductors. In theories based on spin nematicity, one major prediction is that the spin-spin correlation length at (0,π) should decrease with decreasing temperature below the structural transition temperature Ts. Here, we report inelastic neutron scattering studies on the low-energy spin fluctuations in BaFe1.935Ni0.065As2 under uniaxial pressure. Both intensity and spin-spin correlation start to show anisotropic behavior at high temperature, while the reduction of the spin-spin correlation length at (0,π) happens just below Ts, suggesting the strong effect of nematic order on low-energy spin fluctuations. Our results favor the idea that treats the spin degree of freedom as the driving force of the electronic nematic order.
dc.identifier.citationZhang, Wenliang, Park, J.T., Lu, Xingye, et al.. "Effect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2." <i>Physical Review Letters,</i> 117, no. 22 (2016) American Physical Society: https://doi.org/10.1103/PhysRevLett.117.227003.
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.117.227003
dc.identifier.urihttps://hdl.handle.net/1911/94120
dc.language.isoeng
dc.publisherAmerican Physical Society
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.
dc.titleEffect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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