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High Temperature

, Volume 57, Issue 3, pp 329–334 | Cite as

Mechanisms of the Recombination of Oxygen and Nitrogen Atoms on Quartz

  • B. E. ZhestkovEmail author
  • S. N. KozlovEmail author
  • E. N. Alexandrov
THERMOPHYSICAL PROPERTIES OF MATERIALS

Abstract

A heterogeneous recombination of nitrogen and oxygen atoms is considered. The installation and the method to determine the probability of heterogeneous recombination of oxygen and nitrogen atoms by resonance fluorescence spectroscopy under strictly controlled conditions are described. The variation of the recombination probability of nitrogen and oxygen atoms on the quartz surface is studied in the temperature range of 297–1000 K and pressures of 0.01–10 mbar. The regions of pressure and temperature in which recombination occurs predominantly according to the Langmuir–Hinshelwood mechanism or the Eley–Rideal mechanism are distinguished. Data on the recombination activation energy are presented. The recombination of nitrogen and oxygen atoms occurs mainly at various active centers.

Notes

FUNDING

The work was supported within the program of joint fundamental research in the field of aerospace technologies of the Zhukovsky Central Aerohydrodynamic Institute and institutes of the Russian Academy of Sciences and by the Russian Foundation for Basic Research, project no. 18-08-00020-a.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Zhukovsky Central Aerohydrodynamic InstituteZhukovskyRussia
  2. 2.Emanuel Institute of Biochemical Physics, Russian Academy of SciencesMoscowRussia

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