Physical Review Letters · 2002 · 208 citations · 22 references
Natural SciencesChemistryPhysicsPhysical ChemistrySurface ChemistrySurface ScienceDiffusion In SolidsScanning Probe MicroscopySolid-state DiffusionSurface DiffusionSurface KineticsSurface PhysicsAtomic Surface DiffusionDiffusion KineticsKinetic Monte CarloKinetic Monte Carlo ModelingKinetic Monte Carlo Simulation Of Surface DiffusionScanning Tunneling Microscopy Of Surface DiffusionSurface Diffusion KineticsSurface Diffusion Mechanisms
We have studied the diffusion of the two organic molecules DC and HtBDC on the Cu(110) surface by scanning tunneling microscopy. Surprisingly, we find that long jumps, spanning multiple lattice spacings, play a dominating role in the diffusion of these molecules--the root-mean-square jump lengths are as large as 3.9 and 6.8 lattice spacings, respectively. The presence of long jumps is revealed by a new and simple method of analysis, which is tested by kinetic Monte Carlo simulations.
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The Self-Assembly Mechanism of Alkanethiols on Au(111)
G. E. Poirier, E. D. Pylant · Science · 1996 · 822 citations