Abstract
The effects of electron-beam irradiation of molecular adlayers of N2 on Pt(111) are investigated. N+ was seen desorbing from the surface, but no N−. The electron-stimulated desorption cross-section for removal of adsorbed N2 was found to be greatest at a 150 eV beam energy, and the current-density averaged value for this cross-section was determined to be σ = 6.7 × 10−17cm2. Dissociative adsorption of N2 molecules was not seen following electron bombardment of molecular N2 adlayers on Pt(111). However, chemisorbed N atom deposition was observed when the sample was negatively biased.
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