Interpretation of oxygen K pre-edge peak in complex oxides

Nan Jiang, John Spence

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

A controversial pre-edge peak has often been observed at the O K-edge in absorption spectra from complex oxides. We study this feature in both K 2O-SiO2 glass and MgAl2O4 spinel crystals. Our time-resolved energy-loss spectroscopy (EELS) results indicate that the pre-edge peak is due to radiation damage, rather than from any intrinsic feature of the material. It is assigned to the π* peak due to the O-O interaction.

Original languageEnglish (US)
Pages (from-to)215-219
Number of pages5
JournalUltramicroscopy
Volume106
Issue number3
DOIs
StatePublished - Feb 1 2006

Keywords

  • Ceramics and refractories
  • Electron and positron radiation effects
  • Electron energy loss spectroscopy
  • Glasses
  • KO-SiO
  • MgAl O

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

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