Anomalous metallic ground state in BaV13 O18

T. Kanzaki, J. Fujioka, Y. Tokura, H. Kuwahara, Takuro Katsufuji

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    We studied single crystals of BaV13O18, in which V ions with an average valence of +2.62 (3d2.38) form a quasi-fcc lattice. We found that the ground state of the stoichiometric crystal is insulating, whereas that of the off-stoichiometric crystal is metallic with a large effective mass. This metallic state can be explained by the Kondo coupling between the magnetic moment existing at the lone V ion and itinerant carriers in the V tetramers.

    Original languageEnglish
    Article number140401
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Issue number14
    Publication statusPublished - 2014 Apr 1


    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electronic, Optical and Magnetic Materials

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