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Morphology of twinned diamond particles

Published online by Cambridge University Press:  03 March 2011

Long Wang ,
John C. Angus  and
David Aue
Long Wang
Affiliation:
Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106-7204
John C. Angus
Affiliation:
Department of Chemical Engineering, Case Western Reserve University, Cleveland, Ohio 44106-7217
David Aue
Affiliation:
Digital Instruments, Inc., 520 E. Montecito Street, Santa Barbara, California 93103
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Abstract

Morphology of twinned diamond particles grown by chemical vapor deposition was characterized by atomic force microscopy in both contact and tapping modes. Quantitative angle measurements using a surface normal algorithm were performed on untwinned crystals, penetration twins, re-entrant corners, and fivefold dimples. Tip-sample interaction is discussed. The morphology of the penetration twins and some of the re-entrant corners can be explained by low order Σ3 twins and flat crystallographic surfaces. Abnormally shallow re-entrants with large vicinal faces are attributed to rapid nucleation of new layers at a point along the re-entrant intersection.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 12 , December 1995 , pp. 3037 - 3040
Copyright
Copyright © Materials Research Society 1995

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References

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