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Diffusion of nitrogen in silicon
Department Physik, Universität Paderborn.
School of Physics, University of Exeter.
School of Natural Science, University of Newcastle upon Tyne.
School of Natural Science, University of Newcastle upon Tyne.
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2005 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 87, no 2, p. 21902-Article in journal (Refereed) Published
Abstract [en]

We use local density functional theory to investigate the diffusion of nitrogen dimers in silicon. We investigate several trajectories for the diffusing dimer finding an alternative one whose barrier is 2.69 eV and in close agreement with experimental diffusion data carried out at high temperature. We suggest that recent reports of a low barrier of 1.45 eV found from studies of dislocation unlocking are to be understood from the interaction of nitrogen dimers with interstitials or vacancies released by the dislocation.

Place, publisher, year, edition, pages
2005. Vol. 87, no 2, p. 21902-
National Category
Computational Mathematics
Research subject
Scientific Computing
Identifiers
URN: urn:nbn:se:ltu:diva-4933DOI: 10.1063/1.1991996Local ID: 2eef0e70-bd00-11db-9be7-000ea68e967bOAI: oai:DiVA.org:ltu-4933DiVA: diva2:977807
Note
Validerad; 2005; 20070215 (kani)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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