75As NMR Observation of Anisotropic Spin Fluctuations in the Ba[(Fe0.92Co0.08)2]2As2 Superconductor (Tc = 22 K)

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dc.creatorNing, Fanlong
dc.creatorAhilan, Kanagasingham
dc.creatorImai, Takashi
dc.creatorSefat, Athena S
dc.creatorJin, Rongying
dc.creatorMcGuire, Michael A.
dc.creatorSales, Brian C
dc.creatorMandrus, David
dc.date2009-04-09
dc.date.accessioned2026-07-07T13:02:01Z
dc.date.available2026-07-07T13:02:01Z
dc.descriptionWe demonstrate that the anisotropy R of the paramagnetic spin fluctuations grows toward Tc at 75As sites in the optimally electron-doped superconductor Ba[(Fe0.92Co0.08)2]2As2, with stronger spin fluctuations along the c-axis. Our finding is in remarkable contrast with the case of high T$_c$ cuprates, where R is independent of temperature above Tc.
dc.description2 Figures
dc.identifierhttps://arxiv.org/abs/0904.1571
dc.identifierhttp://arxiv.org/abs/0904.1571
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226342
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.title75As NMR Observation of Anisotropic Spin Fluctuations in the Ba[(Fe0.92Co0.08)2]2As2 Superconductor (Tc = 22 K)
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