Superstructure, sodium ordering and antiferromagnetism in NaxCoO2 (0.75<x<1.0)

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dc.creatorShi, Y. G.
dc.creatorYu, H. C.
dc.creatorNie, C. J.
dc.creatorLi, J. Q.
dc.date2004-01-06
dc.date.accessioned2026-07-07T02:55:45Z
dc.date.available2026-07-07T02:55:45Z
dc.descriptionTransmission-electron-microscopy investigation reveals the presence of a superstructure with a doubled period of 2d110 in the NaxCoO2 materials for x ranging from 0.75 to 1.0. Systematic analyses suggest that this superstructure in general appears just below a phase transition which could yield an anomalous kink in resistivity. We herein interpret this superstructure in terms of sodium ordering occurring at low temperatures. Measurements of magnetic susceptibility for all NaxCoO2 (0.75<x<1.0) materials show an antiferromagetic state with Neel temperature TN~4K.
dc.description14 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0401052
dc.identifierhttp://arxiv.org/abs/cond-mat/0401052
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23058
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleSuperstructure, sodium ordering and antiferromagnetism in NaxCoO2 (0.75<x<1.0)
dc.typetext

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