Antiferromagnetic order and spin dynamics in iron-based superconductors

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dc.citation.firstpage855en_US
dc.citation.issueNumber3en_US
dc.citation.journalTitleReviews of Modern Physicsen_US
dc.citation.volumeNumber87en_US
dc.contributor.authorDai, Pengchengen_US
dc.date.accessioned2016-06-10T18:07:38Zen_US
dc.date.available2016-06-10T18:07:38Zen_US
dc.date.issued2015en_US
dc.description.abstractHigh-transition temperature (high-Tc) superconductivity in the iron pnictides or chalcogenides emerges from the suppression of the static antiferromagnetic order in their parent compounds, similar to copper oxide superconductors. This raises a fundamental question concerning the role of magnetism in the superconductivity of these materials. Neutron scattering, a powerful probe to study the magnetic order and spin dynamics, plays an essential role in determining the relationship between magnetism and superconductivity in high-Tc superconductors. The rapid development of modern neutron time-of-flight spectrometers allows a direct determination of the spin dynamical properties of iron-based superconductors throughout the entire Brillouin zone. In this paper, an overview is presented of the neutron scattering results on iron-based superconductors, focusing on the evolution of spin-excitation spectra as a function of electron and hole doping and isoelectronic substitution. Spin dynamical properties of iron-based superconductors are compared with those of copper oxide and heavy fermion superconductors and the common features of spin excitations in these three families of unconventional superconductors and their relationship with superconductivity are discussed.en_US
dc.identifier.citationDai, Pengcheng. "Antiferromagnetic order and spin dynamics in iron-based superconductors." <i>Reviews of Modern Physics,</i> 87, no. 3 (2015) American Physical Society: 855. http://dx.doi.org/10.1103/RevModPhys.87.855.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/RevModPhys.87.855en_US
dc.identifier.urihttps://hdl.handle.net/1911/90481en_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.titleAntiferromagnetic order and spin dynamics in iron-based superconductorsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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