An investigation of the ESD O/O                         +                          ratio from V                         2                         O                         5                          and oxidized V

Mitch Jacoby; F. J. Northrup; P. C. Stair; E. Weitz; L. D. Marks

doi:10.1016/S0169-4332(96)00580-6

An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V

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

Northwestern University

Research output: Contribution to journal › Article › peer-review

Abstract

The ratio of oxygen atoms to ions (O/O ⁺ ) generated during electron stimulated desorption (ESD) from V ₂ O ₅ 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 ( ¹⁸ O ₂ /V ₂ O ₅ ) and 160 (V ₂ O ₅ ). From the XPS results (oxidized V foil) the ratio was determined to be ≃ 4.

Original language	English
Pages (from-to)	23-32
Number of pages	10
Journal	Applied Surface Science
Volume	108
Issue number	1
DOIs	https://doi.org/10.1016/S0169-4332(96)00580-6
Publication status	Published - Jan 1997

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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Jacoby, M., Northrup, F. J., Stair, P. C., Weitz, E., & Marks, L. D. (1997). An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V Applied Surface Science, 108(1), 23-32. https://doi.org/10.1016/S0169-4332(96)00580-6

An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V . / Jacoby, Mitch; Northrup, F. J.; Stair, P. C.; Weitz, E.; Marks, L. D.

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

Research output: Contribution to journal › Article › peer-review

Jacoby, M, Northrup, FJ, Stair, PC, Weitz, E & Marks, LD 1997, ' An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V ', Applied Surface Science, vol. 108, no. 1, pp. 23-32. https://doi.org/10.1016/S0169-4332(96)00580-6

Jacoby M, Northrup FJ, Stair PC, Weitz E, Marks LD. An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V Applied Surface Science. 1997 Jan;108(1):23-32. https://doi.org/10.1016/S0169-4332(96)00580-6

Jacoby, Mitch ; Northrup, F. J. ; Stair, P. C. ; Weitz, E. ; Marks, L. D. / An investigation of the ESD O/O ⁺ ratio from V ₂ O ₅ and oxidized V In: Applied Surface Science. 1997 ; Vol. 108, No. 1. pp. 23-32.

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abstract = " The ratio of oxygen atoms to ions (O/O + ) generated during electron stimulated desorption (ESD) from V 2 O 5 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 ( 18 O 2 /V 2 O 5 ) and 160 (V 2 O 5 ). From the XPS results (oxidized V foil) the ratio was determined to be ≃ 4. ",

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AB - The ratio of oxygen atoms to ions (O/O + ) generated during electron stimulated desorption (ESD) from V 2 O 5 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 ( 18 O 2 /V 2 O 5 ) and 160 (V 2 O 5 ). From the XPS results (oxidized V foil) the ratio was determined to be ≃ 4.

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