Formation of islands consisting of repelling adsorbates

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Abstract

Clear evidence of adsorbate island formation in a system with only repulsive adsorbate-adsorbate interactions is presented. This evidence is independently obtained by thermal energy atom scattering (TEAS) and LEED studies of the H-CO/Pt(111) coadsorption system. Specularly reflected He intensity at hydrogen saturation coverage on the CO precovered surface is up to an order of magnitude greater than in the absence of hydrogen. A c(4 × 2) CO/Pt(111) LEED pattern is observed at hydrogen saturation even for CO precoverages of less than 0.1 monolayer. © 1987.

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Bernasek, S. L., Lenz, K., Poelsema, B., & Comsa, G. (1987). Formation of islands consisting of repelling adsorbates. Surface Science Letters, 183(3). https://doi.org/10.1016/0167-2584(87)90158-7

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