Abstract

The electron stimulated desorption of D − anions from deuterated hydrocarbons condensed on a platinum substrate has been studied experimentally. D − anion yield functions are reported for incident electron energies ranging from 0 to 20 eV . For each molecule studied, the yield function exhibits a single dissociative attachment resonance at approximately 10 eV . Above 15 eV , a linearly increasing D − ion signal due to dipolar dissociation was recorded. No heavier polyatomic anion fragments were observed to desorb.

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