Nonlinear effect of stress and wetting on surface evolution of epitaxial thin films

@inproceedings{Pang2006NonlinearEO,
  title={Nonlinear effect of stress and wetting on surface evolution of epitaxial thin films},
  author={Yaoyu Pang and Rui Huang},
  year={2006}
}
An epitaxial thin film can undergo surface instability and break up into discrete islands. The stress field and the interface interaction have profound effects on the dynamics of surface evolution. In this work, we develop a nonlinear evolution equation with a second-order approximation for the stress field and a nonlinear wetting potential for the interface. The equation is solved numerically in both two-dimensional 2D and threedimensional configurations using a spectral method. The effects of… CONTINUE READING

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