An investigation of the ESD O/O+ ratio from V2O5 and oxidized V

Mitch Jacoby, F. J. Northrup, Peter C Stair, E. Weitz, L. D. Marks

Research output: Contribution to journalArticle

Abstract

The ratio of oxygen atoms to ions (O/O+) generated during electron stimulated desorption (ESD) from V2O5 and oxidized V foil has been investigated. Desorbates were probed directly with high resolution quadrupole mass spectrometry. X-ray photoelectron spectroscopy was used as an indirect probe to measure the ESD induced surface oxygen loss. Despite the number of ESD target preparation methods and experimental variations used, ESD O atoms were never detected. Accordingly, the results are presented as an upper limit to the ESD O/O+ ratio, as determined by the neutral detection limit of the given instrumental method. The results of the mass spectral probe were an O/O+ ratio of ≃ 54 (oxidized V foil), 58 (18O2/V2O5) and 160 (V2O5). From the XPS results (oxidized V foil) the ratio was determined to be ≃ 4.

Original languageEnglish
Pages (from-to)23-32
Number of pages10
JournalApplied Surface Science
Volume108
Issue number1
Publication statusPublished - Jan 1997

Fingerprint

Desorption
desorption
Electrons
Metal foil
foils
electrons
X ray photoelectron spectroscopy
Oxygen
Atoms
probes
Mass spectrometry
oxygen atoms
mass spectroscopy
quadrupoles
vanadium pentoxide
photoelectron spectroscopy
Ions
preparation
high resolution
oxygen

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics

Cite this

Jacoby, M., Northrup, F. J., Stair, P. C., Weitz, E., & Marks, L. D. (1997). An investigation of the ESD O/O+ ratio from V2O5 and oxidized V. Applied Surface Science, 108(1), 23-32.

An investigation of the ESD O/O+ ratio from V2O5 and oxidized V. / Jacoby, Mitch; Northrup, F. J.; Stair, Peter C; Weitz, E.; Marks, L. D.

In: Applied Surface Science, Vol. 108, No. 1, 01.1997, p. 23-32.

Research output: Contribution to journalArticle

Jacoby, M, Northrup, FJ, Stair, PC, Weitz, E & Marks, LD 1997, 'An investigation of the ESD O/O+ ratio from V2O5 and oxidized V', Applied Surface Science, vol. 108, no. 1, pp. 23-32.
Jacoby M, Northrup FJ, Stair PC, Weitz E, Marks LD. An investigation of the ESD O/O+ ratio from V2O5 and oxidized V. Applied Surface Science. 1997 Jan;108(1):23-32.
Jacoby, Mitch ; Northrup, F. J. ; Stair, Peter C ; Weitz, E. ; Marks, L. D. / An investigation of the ESD O/O+ ratio from V2O5 and oxidized V. In: Applied Surface Science. 1997 ; Vol. 108, No. 1. pp. 23-32.
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