Lookup NU author(s): Dr Jon Goss,
Professor Patrick Briddon
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We review first-principles calculations of dislocation core structure in diamond, and draw out similarities with and differences from silicon. Primary differences are in hybridization changes in carbon and in the different behaviour of H interacting with dislocations. In both materials, condensation of a homogeneous distribution of H atoms should result, first, in formation of small H aggregates with the appearance of a glide dislocation dipole and, second, in formation of larger platelets based on the half-stacking-fault model.
Author(s): Briddon PR; Goss JP; Heggie MI; Ewels CP; Martsinovich N; Scarle S; Jones R; Hourahine B
Publication type: Article
Publication status: Published
Journal: Journal of Physics: Condensed Matter
ISSN (print): 0953-8984
ISSN (electronic): 1361-648X
Publisher: Institute of Physics Publishing Ltd.
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