Jensen, P.; Combe, N.; Larralde, H.; Barrat, J.; Misbah, C. - In: The European Physical Journal B - Condensed Matter and … 11 (1999) 3, pp. 497-504
We study the relaxation to equilibrium of two dimensional islands containing up to 20 000 atoms by Kinetic Monte Carlo simulations. We find that the commonly assumed relaxation mechanism - curvature-driven relaxation via atom diffusion - cannot explain the results obtained at low temperatures,...