Abstract
Understanding and control of cluster growth on solid surfaces is a subject of intensive research to develop materials with new properties. Of particular interest is the self-organized structure formation by deposition of atoms and molecules on surfaces, where the interplay of diffusion, nucleation, aggregation, segregation and superlattice ordering yields a rich variety of growth phenomena [1]. The resulting structures are often frozen-in non-equilibrium structures with properties distinctly different from the equilibrium bulk phases. Here I will discuss the role of second layer nucleation for three-dimensional cluster formation and its influence on cluster morphologies.[1] M. Einax, W. Dieterich, P. Maass, Rev. Mod. Phys. 85, 921 (2013).
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