Impact of orbital degrees of freedom on geometrical frustration in the kagome-like magnet SrVx Ga12-x O19

J. Miyazaki, T. Sonehara, D. Akahoshi, H. Kuwahara, J. E. Kim, K. Kato, M. Takata, Takuro Katsufuji

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    We studied kagome-like magnets, SrVx Ga12-x O19 with V3+ (3 d2 in the triply degenerate t2g states), as a geometrically frustrated spin system with orbital degrees of freedom. We observed a suppression of low-temperature spin entropy and an anomalous contraction of the V triangles on the kagome lattice, which can be regarded as the V trimerization with spin-singlet formation. This result, which is in clear contrast to their Cr3+ (3 d3) analogs exhibiting a spin-liquid behavior, indicates a substantial impact of orbitals on geometrically frustrated magnets.

    Original languageEnglish
    Article number180410
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume79
    Issue number18
    DOIs
    Publication statusPublished - 2009 May 1

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    frustration
    Magnets
    magnets
    degrees of freedom
    orbitals
    Entropy
    Liquids
    triangles
    contraction
    retarding
    entropy
    analogs
    Temperature
    liquids

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Electronic, Optical and Magnetic Materials

    Cite this

    Impact of orbital degrees of freedom on geometrical frustration in the kagome-like magnet SrVx Ga12-x O19. / Miyazaki, J.; Sonehara, T.; Akahoshi, D.; Kuwahara, H.; Kim, J. E.; Kato, K.; Takata, M.; Katsufuji, Takuro.

    In: Physical Review B - Condensed Matter and Materials Physics, Vol. 79, No. 18, 180410, 01.05.2009.

    Research output: Contribution to journalArticle

    Miyazaki, J. ; Sonehara, T. ; Akahoshi, D. ; Kuwahara, H. ; Kim, J. E. ; Kato, K. ; Takata, M. ; Katsufuji, Takuro. / Impact of orbital degrees of freedom on geometrical frustration in the kagome-like magnet SrVx Ga12-x O19. In: Physical Review B - Condensed Matter and Materials Physics. 2009 ; Vol. 79, No. 18.
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    AU - Kuwahara, H.

    AU - Kim, J. E.

    AU - Kato, K.

    AU - Takata, M.

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