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Optical properties of vacancy related defects in diamond

Lookup NU author(s): Dr Michael Shaw, Professor Patrick Briddon

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Abstract

〈110〉 vacancy chains, multi-vacancy clusters and vacancy discs have been modeled using density functional theory within the AIMPRO and DFTB codes. While a connection can be established between the results on vacancy chains and previous EPR experiments, no connection can be made between the point defects and the optical properties of natural type lia brown diamonds. However, a vacancy disc consisting of a {111} double plane of vacancies is stable and possesses an absorption spectrum similar to that found in brown diamonds. © 2005 WILEY-VCH Verlag GmbH & Co. KGaA.


Publication metadata

Author(s): Hounsome LS, Jones R, Martineau PM, Shaw MJ, Briddon PR, Oberg S, Blumenau AT, Fujita N

Publication type: Article

Publication status: Published

Journal: physica status solidi (a)

Year: 2005

Volume: 202

Issue: 11

Pages: 2182-2187

ISSN (print): 1862-6300

ISSN (electronic): 1862-6319

Publisher: Wiley - VCH Verlag GmbH & Co. KGaA

URL: http://dx.doi.org/10.1002/pssa.200561914

DOI: 10.1002/pssa.200561914


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