Synthesis and properties of CoO2, the x = 0 end member of the LixCoO2 and NaxCoO2 systems

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dc.creatorMotohashi, T.
dc.creatorKatsumata, Y.
dc.creatorOno, T.
dc.creatorKanno, R.
dc.creatorKarppinen, M.
dc.creatorYamauchi, H.
dc.date2007-08-19
dc.date.accessioned2026-07-07T08:34:55Z
dc.date.available2026-07-07T08:34:55Z
dc.descriptionWe report here the synthesis of single-phase bulk samples of CoO2, the x = 0 end member of the AxCoO2 systems (A = Li, Na), from a pristine LiCoO2 sample using an electrochemical technique to completely de-intercalate lithium. Thus, synthesized CoO2 samples were found to be oxygen-stoichiometric and possess a crystal structure consisting of stacked triangular-lattice CoO2 layers only. The magnetic susceptibility of the CoO2 sample was revealed to be relatively large in its initial value and then level off as the temperature increases, suggesting that CoO2 is a Pauli-paramagnetic metal with itinerant electrons.
dc.description18 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0708.2528
dc.identifierhttp://arxiv.org/abs/0708.2528
dc.identifierChemistry of Materials 19, 5063-5066 (2007)
dc.identifierdoi:10.1021/cm0702464
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139600
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleSynthesis and properties of CoO2, the x = 0 end member of the LixCoO2 and NaxCoO2 systems
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