Phys. Rev. Lett. 79, 4858 - 4861 (1997)Equilibrium Shapes and Properties of Epitaxially Strained Islands
B. J. Spencer
J. Tersoff Received 14 August 1997 We calculate the equilibrium morphology of an epitaxial strained layer which wets the substrate (Stranski-Krastanow growth), in a two-dimensional continuum model. The layer coalesces into a single discrete island, with zero contact angle to the film wetting the substrate. Small islands have a minimum width, and hence an arbitrarily small aspect ratio. Very large coherent islands have a shape that approaches a ball sitting atop the wetting layer. ©1997 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevLett.79.4858 [ Abstract | Previous article | Next article | Issue 24 ] |
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