Anomalous metallic ground state in BaV13 O18

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

doi:10.1103/PhysRevB.89.140401

Anomalous metallic ground state in BaV13 O18

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

^*この研究の対応する著者

先進理工学部

研究成果: Article › 査読

5 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
巻	89
号	14
DOI	https://doi.org/10.1103/PhysRevB.89.140401
出版ステータス	Published - 2014 4月 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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10.1103/PhysRevB.89.140401

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AU - Kanzaki, T.

AU - Fujioka, J.

AU - Tokura, Y.

AU - Kuwahara, H.

AU - Katsufuji, T.

PY - 2014/4/1

Y1 - 2014/4/1

N2 - 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.

AB - 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.

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Anomalous metallic ground state in BaV13 O18

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