252591.fig.003a
(a) Terrace diffusion
252591.fig.003b
(b) Step diffusion
252591.fig.003c
(c) Kink diffusion
252591.fig.003d
(d) Dimer diffusion
Figure 3: Selected Au diffusion pathways on an Au(100) surface (a) bridge diffusion on a terrace, (b) along a step, (c) kink diffusion, and (d) dimer diffusion. Insets in each figure illustrate the diffusion pathways, where filled circles depict adatoms on an Au(100) surface.