Author： J.Wilder H.Teichler
Publisher： Taylor & Francis Ltd
ISSN： 1362-3036
Source： Philosophical Magazine Letters, Vol.76, Iss.2, 1997-08, pp. : 83-88
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Abstract
Calculated energies are reported for Sigma= 11 (233) [011] tilt grain-boundary variants in Ge and Si. The anharmonic bond-charge model yields different energy rankings of the Sigma=11A and Sigma=11B variants in the two materials, in agreement with the experimental observations. Criteria for selecting well suited interatomic models are discussed and the anharmonic model is described.
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