High-pressure synthesis, crystal structure determination, and a Ca substitution study of the metallic rhodium oxide NaRh2O4

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dc.creatorYamaura, K.
dc.creatorHuang, Q.
dc.creatorMoldovan, M.
dc.creatorYoung, D. P.
dc.creatorSato, A.
dc.creatorBaba, Y.
dc.creatorMatsui, Y.
dc.creatorTakayama-Muromachi, E.
dc.date2004-10-28
dc.date.accessioned2026-07-07T03:01:46Z
dc.date.available2026-07-07T03:01:46Z
dc.descriptionThe sodium rhodate NaRh2O4 was synthesized for the first time and characterized by neutron and x-ray diffraction studies, measurements of magnetic susceptibility, specific heat, electrical resistivity, and the Seebeck coefficient. NaRh2O4 crystallizes in the CaFe2O4-type structure, which is comprised of a characteristic RhO6 octahedra network. The compound is metallic in nature, probably reflecting the 1 to 1 mixed valence character of Rh(III) and Rh(IV) in the network. For further studies of the compound, the Rh valence was varied significantly by means of an aliovalent substitution: the full range solid solution between NaRh2O4 and CaRh2O4 was achieved and characterized as well. The metallic state was dramatically altered, and a peculiar magnetism developed in the low Na concentration range.
dc.descriptionAccepted for publication in Chem. Mater
dc.identifierhttps://arxiv.org/abs/cond-mat/0410742
dc.identifierhttp://arxiv.org/abs/cond-mat/0410742
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25167
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleHigh-pressure synthesis, crystal structure determination, and a Ca substitution study of the metallic rhodium oxide NaRh2O4
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