Journal
APPLIED PHYSICS LETTERS
Volume 76, Issue 24, Pages 3534-3536Publisher
AMER INST PHYSICS
DOI: 10.1063/1.126698
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Trenches formed at Ge/Si(100) island bases become an effective strain-relief mechanism at high growth temperatures. Trenches result from diffusion of the most highly strained material to regions of lower strain. The trench depth self-limits, scaling linearly with island diameter. A simple atomistic model of island elasticity indicates that this self-limiting behavior is of kinetic rather than energetic origin. (C) 2000 American Institute of Physics. [S0003-6951(00)02224-5].
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