Electronic phase transition and an anomalous ordered phase in Ba 2Ti13O22 with 3d1 ions on a triangle-based lattice

K. Takayama, T. Koyama, S. Mori, K. Kato, M. Takata, J. Fujioka, Y. Tokura, J. Miyazaki, Takuro Katsufuji

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    We found that Ba2Ti13O22 with Ti3 + (3d1) ions on a triangle-based lattice exhibits a phase transition at Tc∼200 K, below which the increase of electrical resistivity and decrease of magnetic susceptibility were observed. Transmission electron microscopy and optical reflectivity measurements indicate that the low-temperature phase of the present compound shares characteristics in common with a charge-density-wave state with remnant carriers, although a commensurate wave vector of the modulation and a linear temperature dependence of the magnetic susceptibility below Tc suggest an exotic ordered state.

    Original languageEnglish
    Article number196405
    JournalPhysical Review Letters
    Volume110
    Issue number19
    DOIs
    Publication statusPublished - 2013 May 7

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    triangles
    magnetic permeability
    electronics
    ions
    reflectance
    modulation
    temperature dependence
    transmission electron microscopy
    electrical resistivity

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Electronic phase transition and an anomalous ordered phase in Ba 2Ti13O22 with 3d1 ions on a triangle-based lattice. / Takayama, K.; Koyama, T.; Mori, S.; Kato, K.; Takata, M.; Fujioka, J.; Tokura, Y.; Miyazaki, J.; Katsufuji, Takuro.

    In: Physical Review Letters, Vol. 110, No. 19, 196405, 07.05.2013.

    Research output: Contribution to journalArticle

    Takayama, K. ; Koyama, T. ; Mori, S. ; Kato, K. ; Takata, M. ; Fujioka, J. ; Tokura, Y. ; Miyazaki, J. ; Katsufuji, Takuro. / Electronic phase transition and an anomalous ordered phase in Ba 2Ti13O22 with 3d1 ions on a triangle-based lattice. In: Physical Review Letters. 2013 ; Vol. 110, No. 19.
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    AU - Takayama, K.

    AU - Koyama, T.

    AU - Mori, S.

    AU - Kato, K.

    AU - Takata, M.

    AU - Fujioka, J.

    AU - Tokura, Y.

    AU - Miyazaki, J.

    AU - Katsufuji, Takuro

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    AB - We found that Ba2Ti13O22 with Ti3 + (3d1) ions on a triangle-based lattice exhibits a phase transition at Tc∼200 K, below which the increase of electrical resistivity and decrease of magnetic susceptibility were observed. Transmission electron microscopy and optical reflectivity measurements indicate that the low-temperature phase of the present compound shares characteristics in common with a charge-density-wave state with remnant carriers, although a commensurate wave vector of the modulation and a linear temperature dependence of the magnetic susceptibility below Tc suggest an exotic ordered state.

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