Anomalous metallic ground state in BaV13 O18

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

研究成果: Article査読

4 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号140401
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
89
14
DOI
出版ステータスPublished - 2014 4 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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