Anomalous metallic ground state in BaV13 O18

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

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

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
Volume89
Issue number14
DOIs
Publication statusPublished - 2014 Apr 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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