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

TitleEffect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2
Authors
Issue Date2016
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/
Citation
Physical Review Letters, 2016, v. 117 n. 22, article no. 227003 How to Cite?
Abstract© 2016 American Physical Society. The 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.
Persistent Identifierhttp://hdl.handle.net/10722/268630
ISSN
2017 Impact Factor: 8.839
2015 SCImago Journal Rankings: 3.731

 

DC FieldValueLanguage
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.accessioned2019-03-25T08:00:15Z-
dc.date.available2019-03-25T08:00:15Z-
dc.date.issued2016-
dc.identifier.citationPhysical Review Letters, 2016, v. 117 n. 22, article no. 227003-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/268630-
dc.description.abstract© 2016 American Physical Society. The 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.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/-
dc.relation.ispartofPhysical Review Letters-
dc.titleEffect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.117.227003-
dc.identifier.scopuseid_2-s2.0-84999752741-
dc.identifier.volume117-
dc.identifier.issue22-
dc.identifier.spagearticle no. 227003-
dc.identifier.epagearticle no. 227003-
dc.identifier.eissn1079-7114-

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