Local electromigration model for crystal surfaces

Details Local electromigration model for crystal surfaces Local electromigration model for crystal surfaces

2005-11-13

arxiv.org/abs/cond-mat/0511317v1

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1103/PhysRevLett.96.135901

We analyze the dynamics of crystal surfaces in the presence of electromigration. From a phase field model with a migration force which depends on the local geometry, we derive a step model with additional contributions in the kinetic boundary conditions. These contributions trigger various surface instabilities, such as step meandering, bunching and pairing on vicinal surfaces. Experiments are discussed.

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