Transversely modulated crystal structure of charge-orbital ordered manganites (formula presented) (formula presented) 3/4)

T. Nagai, T. Kimura, Atsushi Yamazaki, T. Asaka, K. Kimoto, Y. Tokura, Y. Matsui

    研究成果: Article

    抜粋

    The crystallographic superstructures of the charge-orbital ordered phases were investigated for layered manganites, (formula presented) (formula presented) 3/4), by high-resolution electron microscopy (HREM) at low temperature. Transverse and sinusoidal structural distortion giving rise to the superstructure were successfully observed in HREM images at 80 K. We also performed the simulations of electron diffraction patterns and HREM images, which support the transverse modulations. The observation implies that a new kind of “Wigner-crystal” model-accompanied with a charge-density wave (CDW) of (formula presented) electrons-best explains the charge-orbital ordered state in the manganites.

    元の言語English
    ページ(範囲)1-4
    ページ数4
    ジャーナルPhysical Review B - Condensed Matter and Materials Physics
    65
    発行部数6
    DOI
    出版物ステータスPublished - 2002 1 1

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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