Superconductivity close to magnetic instability in Fe(Se1-xTex)0.82

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dc.creatorFang, M. H.
dc.creatorPham, H. M.
dc.creatorQian, B.
dc.creatorLiu, T. J.
dc.creatorVehstedt, E. K.
dc.creatorLiu, Y.
dc.creatorSpinu, L.
dc.creatorMao, Z. Q.
dc.date2008-07-30
dc.date2008-10-18
dc.date.accessioned2026-07-07T12:08:59Z
dc.date.available2026-07-07T12:08:59Z
dc.descriptionWe report our study of the evolution of superconductivity and the phase diagram of the ternary Fe(Se1-xTex)0.82 (0<=x<=1.0) system. We discovered a new superconducting phase with Tc,max = 14 K in the 0.3 < x < 1.0 range. This superconducting phase is suppressed when the sample composition approaches the end member FeTe0.82, which exhibits an incommensurate antiferromagnetic order. We discuss the relationship between the superconductivity and magnetism of this material system in terms of recent results from neutron scattering measurements. Our results and analyses suggest that superconductivity in this new class of Fe-based compounds is associated with magnetic fluctuations, and therefore may be unconventional in nature.
dc.description18 pages, 6 figures;
dc.identifierhttps://arxiv.org/abs/0807.4775
dc.identifierhttp://arxiv.org/abs/0807.4775
dc.identifierPhys. Rev. B 78, 224503 (2008)
dc.identifierdoi:10.1103/PhysRevB.78.224503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/209483
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleSuperconductivity close to magnetic instability in Fe(Se1-xTex)0.82
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