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Substrate strain mediated adatom configurations on Cu<111> surfaces have beensimulated in a coverage range up to nearly 1 monolayer. Interacting adatomsoccupy positions on a triangular lattice in two dimensions. The elasticinteraction is taken from earlier calculations, short range effects are addedfor comparison. Dependent on the coverage different morphologies are observed:Superlattices of single adatoms in the 0.04 ML region, ordered adatom clustersin the 0.1 ML region, elongated islands in the 0.3 ML region, and interwovenstripes in the 0.5 ML region. In the region above the sequence is reversed withoccupied and empty positions complemented. Stronger short range interactionsincrease the feature size of the clusters and reduce their lattice order. Theinfluence of the substrate elastic anisotropy turns out to be significant.Results are compared with morphologies observed on Cu<111> surfaces and theapplicability of the model is discussed.

Strain mediated adatom stripe morphologies on Cu<111> simulated