Abstract
The surface barrier resonances of Cu(001) have been measured using low energy electron scattering in the energy range from 2–50 eV. Incidence angles ranged from 45° to 68° with azimuths close to the 〈01〉 and 〈11〉 directions. The data was compared with results of calculations using theoretical models of the surfaces barrier including step, non reflecting and modified image barriers (MIB). Good agreement was found for calculations with the MIB and a barrier origin of 1.3 ± 0.3 au above the surface and a barrier height of 0.8 ± 0.05 Rydberg.
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