^{59}Co NMR evidence for charge ordering below T_{CO}\sim 51 K in Na_{0.5}CoO_2

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dc.creatorNing, F. L.
dc.creatorGolin, S. M.
dc.creatorAhilan, K.
dc.creatorImai, T.
dc.creatorShu, G. J.
dc.creatorChou, F. C.
dc.date2007-11-26
dc.date2008-01-20
dc.date.accessioned2026-07-07T10:06:56Z
dc.date.available2026-07-07T10:06:56Z
dc.descriptionThe CoO$_{2}$ layers in sodium-cobaltates Na$_{x}$CoO$_{2}$ may be viewed as a spin $S=1/2$ triangular-lattice doped with charge carriers. The underlying physics of the cobaltates is very similar to that of the high $T_{c}$ cuprates. We will present unequivocal $^{59}$Co NMR evidence that below $T_{CO}\sim51 K$, the insulating ground state of the itinerant antiferromagnet Na$_{0.5}$CoO$_{2}$ ($T_{N}\sim 86 K$) is induced by charge ordering.
dc.descriptionPhys. Rev. Lett. 100 (2008), in press. 4 figures
dc.identifierhttps://arxiv.org/abs/0711.4023
dc.identifierhttp://arxiv.org/abs/0711.4023
dc.identifierPhys. Rev. Lett. 100 (2008) 086405
dc.identifierdoi:10.1103/PhysRevLett.100.086405
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170466
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.title^{59}Co NMR evidence for charge ordering below T_{CO}\sim 51 K in Na_{0.5}CoO_2
dc.typetext

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