Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3189
Title: On the behaviour of the penetration twin abundance on {100} diamond facets
Authors: KNUYT, Gilbert 
NESLADEK, Milos 
QUAEYHAEGENS, Carl 
STALS, Lambert 
Issue Date: 1998
Publisher: ELSEVIER SCIENCE SA
Source: DIAMOND AND RELATED MATERIALS, 7(8). p. 1095-1099
Abstract: The morphology of isolated diamond crystals and diamond films can be strongly influenced by twin nucleation. For a better understanding of these phenomena, a recently introduced new concept? the twin nucleation surface (a quantity proportional to the probability that a given point is overgrown by a twin) is defined and calculated for penetration twins on {100} facets. The results explain several experimental findings: the dependence of the twin abundance on the relative position on the {100} facet, on the growth parameter alpha = root 3 nu(100)/nu(111) and on the orientation of the twin with respect to the facet boundary. Also, the results offer an explanation for the existence of a narrow window of deposition conditions for which a growing film can rapidly evolve to a high-quality film with a low twin concentration. (C) 1998 Elsevier Science S.A.
Notes: Limburgs Univ Ctr, Inst Mat Res, B-3590 Diepenbeek, Belgium.Knuyt, G, Limburgs Univ Ctr, Inst Mat Res, Wetenschapspk, B-3590 Diepenbeek, Belgium.
Keywords: chemical vapour deposition (CVD); diamond; morphology; twinning
Document URI: http://hdl.handle.net/1942/3189
DOI: 10.1016/S0925-9635(98)00160-5
ISI #: 000075132700002
Type: Journal Contribution
Validations: ecoom 1999
Appears in Collections:Research publications

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