Platelets and the 110 a0 4 {001} stacking fault in diamond

Gross, J P, Briddon, P R, Jones, R and Heggie, M I (2006) Platelets and the 110 a0 4 {001} stacking fault in diamond. Physical Review B, 73 (11). pp. 1-6. ISSN 1098-0121

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Electron microscopy reveals the presence of {001} platelets in annealed, nitrogen containing diamond. These extended planar defects give rise to a large displacement of the surrounding material, are correlated with luminescence and optical absorption, and are characterized by the B' vibrational band above the one-phonon maximum. A recent proposal for an atomic structure for these defects is made up from a 110 a0 4 shear in the {001} plane, resulting in C-C double bonds aligned along 001. We show here that not only is this structure inconsistent with experimental observations, but it is unstable and reconstructs to form a largely passive stacking fault defect which also has properties inconsistent with the platelet. © 2006 The American Physical Society.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Malcolm Heggie
Date Deposited: 06 Feb 2012 19:07
Last Modified: 22 May 2012 13:55
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