Abstract
We have studied the high-temperature behaviour of Au(110) by molecular dynamics simulation. Liquid-like surface disorder (following deconstruction of the (1 × 2) missing-row structure) appears well below bulk melting near 0.75TM. The thickness of the liquid-like layer grows linearly with ln(1−TTM), as expected for a system governed by short-range forces. To complement the simulation results, we evaluate the contribution of long-range dispersion forces and predict a crossover from a logarithmic to a power-law growth located about 0.5 K below TM. Results for the z-profiles of density and crystalline order as a function of temperature are also presented.
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