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Line of sight time of flight has been used to measure the translational energy of ethene formed by dissociative electron attachment of adsorbed dihalocarbons (XCH 2 CH 2 Y) on Cu(111) at 100K. A pulsed electron beam was used to generate low energy secondary electrons at the surface, which were the active agents in initiating the decomposition,XCH 2 CH 2 Y(ads)+e ...
Irradiation of submonolayer and 4 layers of adsorbed 1,2-dichloroethane (DCE) on Cu(111) at 110 K with a pulsed 2 keV electron beam causes ethene desorption with translational temperatures of 2350 ± 100 K (from a submonolayer), and 2540 ± 200 K and 320 ± 50 K (from a 4 layer surface). DCE physisorbed on the Cu(111) surface undergoes electron attachment from the hot secondary electrons generated by...
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