Possible presence of a charge-orbital density wave in layered manganites Nd1-xCa1+xMnO4

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

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

We have studied the structural modifications related to the charge-orbital ordering for single-layered manganites Nd1-xCa1+xMnO4 with both commensurate and incommensurate doping levels (0.55≦x≦0.75). High-resolution electron microscopy (HREM) revealed transverse and sinusoidal structural modulations with a doping-level-dependent period of ds=a/(1-x) in the charge-orbital ordered phases. We discuss the possibility of an orbital-density wave as well as a charge-density wave based on the HREM observation of the single-layered manganites.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number9
DOIs
Publication statusPublished - 2003 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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