Abstract
The structure of disordered chemisorbed sulfur overlayers on Cu(1 1 1) have been investigated using normal incidence X-ray standing wavefield absorption (NIXSW). The NIXSW data indicates that within the coverage range studied, 0.13 < θ < 0.30 ML, all the disordered layers contain the same structural sub-units. The NIXSW data are consistent with a previously proposed model, which suggests that at room temperature the disordered layers contain both sulfur adatoms and mobile Cu 3S 3 clusters.
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