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

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

研究成果: Article査読

抄録

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.

本文言語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
6
DOI
出版ステータスPublished - 2002

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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