2 papers
cond-mat.mtrl-sci2004
Islands in the Stream: Electromigration-Driven Shape Evolution with Crystal Anisotropy
Philipp Kuhn, Joachim Krug
We consider the shape evolution of two-dimensional islands on a crystal surface in the regime where mass transport is exclusively along the island edge. A directed mass current due…
cond-mat.mtrl-sci2001
Second layer nucleation and the shape of wedding cakes
J. Krug, P. Kuhn
The rate of second layer nucleation -- the formation of a stable nucleus on top of a two-dimensional island -- determines both the conditions for layer-by-layer growth, and the siz…