Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces

Cs Beleznai, D. Vouagner, J. P. Girardeau-Montaut, L. Nánai

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In-situ monitoring of the vacuum chamber pressure during laser-induced oxide desorption on W surfaces provides a view on the desorption process. Sudden pressure variations suggest a change in the rate of desorption. During the desorption experiment, due to the incident pulsed UV laser light, photoelectrons are ejected from the sample surface. Evaluating the temporal variation of the measured charge shows a good agreement with the obtained pressure measurements. These results are attributed to the specific oxide structure on the W consisting of various tungsten oxides.

Original languageEnglish
Pages (from-to)512-516
Number of pages5
JournalApplied Surface Science
Volume138-139
Issue number1-4
Publication statusPublished - Jan 1999

Fingerprint

tungsten oxides
Tungsten
Desorption
desorption
Oxides
Lasers
lasers
oxides
pressure measurement
vacuum chambers
Pressure measurement
Photoelectrons
ultraviolet lasers
pulsed lasers
photoelectrons
Vacuum
tungsten oxide
Monitoring
Experiments

Keywords

  • Oxide removal
  • Photoemission
  • Pressure measurement
  • UV laser

ASJC Scopus subject areas

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

Cite this

Beleznai, C., Vouagner, D., Girardeau-Montaut, J. P., & Nánai, L. (1999). Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces. Applied Surface Science, 138-139(1-4), 512-516.

Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces. / Beleznai, Cs; Vouagner, D.; Girardeau-Montaut, J. P.; Nánai, L.

In: Applied Surface Science, Vol. 138-139, No. 1-4, 01.1999, p. 512-516.

Research output: Contribution to journalArticle

Beleznai, C, Vouagner, D, Girardeau-Montaut, JP & Nánai, L 1999, 'Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces', Applied Surface Science, vol. 138-139, no. 1-4, pp. 512-516.
Beleznai C, Vouagner D, Girardeau-Montaut JP, Nánai L. Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces. Applied Surface Science. 1999 Jan;138-139(1-4):512-516.
Beleznai, Cs ; Vouagner, D. ; Girardeau-Montaut, J. P. ; Nánai, L. / Laser-induced desorption of various tungsten oxides on polycrystalline W surfaces. In: Applied Surface Science. 1999 ; Vol. 138-139, No. 1-4. pp. 512-516.
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