Abstract
We report an investigation into the surface electronic structure of Pb/Cu(100)in the submonolayer coverage range. A prominent surface band is detectedin the whole coverage range analysed. The band is gradually filled as Pbcoverage increases. For a Pb coverage of 0.375 ML, corresponding to thec(4 × 4) phase, astrong c(4 × 4) folding of this state is observed in the valence band. The origin of theseresults and the nature of the surface electronic structure of Pb/Cu(100)-c(4 × 4) are discussed.
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