Charge ordering in (formula presented) (formula presented) studied by electron-energy-loss spectroscopy

Y. Murakami, D. Shindo, H. Chiba, M. Kikuchi, Y. Syono

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The effect of charge ordering of (Formula presented) and (Formula presented) ions on bonding features between oxygen (Formula presented) and manganese (Formula presented) orbitals in (Formula presented) (Formula presented) was studied along with the oxygen K edge by electron-energy-loss spectroscopy. A peak at 529 eV in the oxygen K edge was found to be sensitive to the manganese (Formula presented) hole content via strong hybridization between oxygen (Formula presented) and manganese (Formula presented) orbitals. It was demonstrated that the intensity was slightly reduced with the charge ordering in (Formula presented) This effect was rationalized by considering such a mechanism that the strong hybridization with manganese (Formula presented) orbital was weakened as a result of the lattice distortion caused by the charge ordering, which was detected by a precise electron-diffraction method with energy-filtering and imaging plates.

Original languageEnglish
Pages (from-to)6395-6399
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number9
DOIs
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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