Core reconstructions of the (100) edge dislocation in single crystal CVD diamond

Briddon, P.R. (author): School of Natural Science, University of Newcastle upon Tyne

(creator_code:org_t)

Wiley, 2007
2007
English.
In: Physica Status Solidi (a) applications and materials science. - : Wiley. - 1862-6300 .- 1862-6319. ; 204:7, s. 2211-2215

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Dislocations are common defects in both natural as well as in CVD-grown diamond. Recent advances in the growth of high quality single crystal CVD diamond have led to an increased interest in the atomistic and electronic structure of 100 dislocations. These dislocations are observed as mixed-type 45° and pure edge dislocations. Previously we investigated both types and found that the 45° is by far lower in core energy than the proposed structure of the edge type. In this work we focus on the straight 100 dislocation only and present novel core reconstructions. We find a minimum energy structure for the edge-type dislocation which has a similar core energy as the mixed-type dislocation.

By the author/editor: Fujita, N.; Blumenau, A.T.; Jones, R.; Öberg, Sven; Briddon, P.R.

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Mathematics; and Computational Ma ...

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