A scanning probe microscopy study of the (001) surfaces of V2O5 and V6O13

Richard L. Smith, Gregory S. Rohrer, K. S. Lee, D. K. Seo, M. H. Whangbo

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Abstract

Single crystals of V2O5(001) and V6O13(001) were imaged in ambient conditions by scanning tunneling microscopy (STM) and atomic force microscopy (AFM). Atomic-scale resolution images are compared with partial and total electron-density plots of the surface calculated using the extended Hückel tight-binding electronic band-structure method. The V2O5(001) surface is terminated by vanadyl O atoms that dominate the contrast in both AFM and STM images. The V6O13(001) surface, on the other hand, is terminated by a V-O plane and the contrast in both AFM and STM images is dominated by the V atoms.

Original languageEnglish
Pages (from-to)87-95
Number of pages9
JournalSurface Science
Volume367
Issue number1
DOIs
Publication statusPublished - Nov 10 1996

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Keywords

  • Atomic Force Microscopy
  • Scanning Tunneling Microscopy
  • Surface Structure
  • Vanadium oxide

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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