A fast atomic oxygen beam facility with in situ testing/analysis capabilities

H. Kinoshita, J. Ikeda, M. Tagawa, M. Umeno, N. Ohmae

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A fast atomic oxygen beam facility consisting of a beam source, a mass spectrometer, an Auger electron spectroscope, a scanning tunneling microscope, and a friction tester has been developed to investigate interaction of energetic atomic oxygen with solid surfaces. The fast atomic oxygen beam has been characterized by time of flight distribution, quadrupole mass spectrometry, and quartz crystal microbulance. The time of flight distribution of the beam has shown that the average translational energy of the atomic oxygen beam reaches 4.7 eV and that the full width at half-maximum is 5.5 eV. A flux of the atomic oxygen is calculated from the frequency shift of the quartz crystal microbalance with silver electrodes, and typical flux of the atomic oxygen beam being 4.0 × 1012 atoms/cm2 s. The flux of atomic oxygen of this source is fairly low, but is corresponding to that in the altitude of 500 km in low Earth orbit. The surface sensitive analysis methods equipped with the facility, such as Auger electron spectroscopy and scanning tunneling microscopy, have provided changes in the surface composition and morphology caused by the atomic oxygen exposure, without receiving any effect of ambient air. The ultrahigh vacuum friction tester especially designed for this facility is used to measure tribological properties of solid lubricants under the atomic oxygen exposures. Such in situ testing capability of this facility enables fundamental research for understanding the reaction scheme of atomic oxygen as well as engineering-oriented research for obtaining high reliability of the space systems.

Original languageEnglish
Pages (from-to)2273-2277
Number of pages5
JournalReview of Scientific Instruments
Volume69
Issue number6
Publication statusPublished - 1998
Externally publishedYes

Fingerprint

Oxygen
Testing
oxygen
Fluxes
quartz crystals
test equipment
friction
Friction
solid lubricants
Solid lubricants
Quartz crystal microbalances
low Earth orbits
Ultrahigh vacuum
Scanning tunneling microscopy
Mass spectrometers
Auger electron spectroscopy
Full width at half maximum
solid surfaces
Surface structure
microbalances

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

Kinoshita, H., Ikeda, J., Tagawa, M., Umeno, M., & Ohmae, N. (1998). A fast atomic oxygen beam facility with in situ testing/analysis capabilities. Review of Scientific Instruments, 69(6), 2273-2277.

A fast atomic oxygen beam facility with in situ testing/analysis capabilities. / Kinoshita, H.; Ikeda, J.; Tagawa, M.; Umeno, M.; Ohmae, N.

In: Review of Scientific Instruments, Vol. 69, No. 6, 1998, p. 2273-2277.

Research output: Contribution to journalArticle

Kinoshita, H, Ikeda, J, Tagawa, M, Umeno, M & Ohmae, N 1998, 'A fast atomic oxygen beam facility with in situ testing/analysis capabilities', Review of Scientific Instruments, vol. 69, no. 6, pp. 2273-2277.
Kinoshita H, Ikeda J, Tagawa M, Umeno M, Ohmae N. A fast atomic oxygen beam facility with in situ testing/analysis capabilities. Review of Scientific Instruments. 1998;69(6):2273-2277.
Kinoshita, H. ; Ikeda, J. ; Tagawa, M. ; Umeno, M. ; Ohmae, N. / A fast atomic oxygen beam facility with in situ testing/analysis capabilities. In: Review of Scientific Instruments. 1998 ; Vol. 69, No. 6. pp. 2273-2277.
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