Dislocation energetics in epitaxial strained islands

B. J. Spencer; J. Tersoff

doi:10.1063/1.1319186

Dislocation energetics in epitaxial strained islands

B. J. Spencer
, J. Tersoff

Mathematics

IBM

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

We calculate (to first order in the Burgers vector) the energy of introducing dislocations into Stranski-Krastanow islands having equilibrium shape. These results suggest that misfit dislocations of different Burgers vector tend to segregate spatially within the islands, which may be a source of mosaic structure in films formed by island coalescence.

Original language	English
Pages (from-to)	2533-2535
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	16
DOIs	https://doi.org/10.1063/1.1319186
State	Published - Oct 16 2000

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title = "Dislocation energetics in epitaxial strained islands",

abstract = "We calculate (to first order in the Burgers vector) the energy of introducing dislocations into Stranski-Krastanow islands having equilibrium shape. These results suggest that misfit dislocations of different Burgers vector tend to segregate spatially within the islands, which may be a source of mosaic structure in films formed by island coalescence.",

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AB - We calculate (to first order in the Burgers vector) the energy of introducing dislocations into Stranski-Krastanow islands having equilibrium shape. These results suggest that misfit dislocations of different Burgers vector tend to segregate spatially within the islands, which may be a source of mosaic structure in films formed by island coalescence.

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JO - Applied Physics Letters

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Dislocation energetics in epitaxial strained islands

Abstract

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