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Epitaxy and interface defects

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Modeling of misfit dislocations<br />

What has to be considered?<br />

1. Generation of dislocations<br />

2. Dislocation motion<br />

3. Dislocation multiplication <strong>and</strong> interaction<br />

Conditions<br />

1. Crystallography of the real system – combination of different lattice types<br />

2. Slip geometry<br />

3. Population of intrinsic <strong>defects</strong><br />

Consequence<br />

Restriction on simple systems<br />

hsl 2007 – Structure of imperfect materials – <strong>Epitaxy</strong> <strong>and</strong> <strong>interface</strong> <strong>defects</strong><br />

15

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