Valence states and hybridization in vanadium oxide systems investigated by transmission electron-energy-loss spectroscopy

X. W. Lin*, Y. Y. Wang, V. P. Dravid, P. M. Michalakos, M. C. Kung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

The electronic structure of vanadium oxides and (VO)2P2O7 is investigated by electron-energy-loss spectroscopy. The O K pre-edge in (VO)2P2O7 is substantially different from that of vanadium oxides, whereas the profiles of V L2/L3 transition show no significant differences between these materials. We attribute the change of the O K pre-edge to the change of local symmetry of oxygen atoms in (VO)2P2O7 and the change of hybridization from pure d-p hybridization in vanadium oxide to mixed d-p-σ hybridization in (VO)2P2O7. It is also inferred that the V L2/L3 transition ratio of (VO)2P2O7 is more like that of V2O3.

Original languageEnglish (US)
Pages (from-to)3477-3481
Number of pages5
JournalPhysical Review B
Volume47
Issue number7
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Condensed Matter Physics

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