Article,

Scattering of small molecules from a diamond surface

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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 157 (1-4): 208--213 (August 1999)

Abstract

The scattering of molecules from clean and hydrogen terminated (1 1 1) diamond surfaces is studied in the energy range from 400 to 3000 eV. The primary molecules are N2 and O2. At grazing incidence we observe scattering of intact molecules and dissociation processes. Most of the scattered particles are neutrals. Negative molecular ions are observed in the case of O2. There are also negative atomic ions in the case of primary atomic O, and some positive atomic ions in all cases. The yield of O- reaches the 10% range. The O-2 yield is much lower, i.e. in the 1% range.

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