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Transfer doping of diamond via 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)

Lookup NU author(s): Dr Jon Goss, Richard Eyre, Professor Patrick Briddon

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Abstract

Hydrogen terminated diamonds exposed to atmosphere typically exhibit surface p-type conduction, thought to be due to transfer doping with holes in the surface valence band and negatively charged counter-ions in an adsorbed layer. The effect has been demonstrated with atmospheric contamination forming an aqueous layer, and by C60 molecules. In this paper we show using first-principles computational methods that organic layers made up from DDQ molecules may also be a candidate for inducing holes in the diamond surface. The effect appears independent of surface orientation and surface coverage. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.


Publication metadata

Author(s): Goss JP, Eyre RJ, Briddon PR

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Physica Status Solidi A: Applications and Materials Science. International Hasselt Diamond Workshop

Year of Conference: 2007

Pages: 2903-2908

ISSN: 1862-6300

Publisher: Wiley - V C H Verlag GmbH & Co. KGaA

URL: http://dx.doi.org/10.1002/pssa.200776312

DOI: 10.1002/pssa.200776312

Library holdings: Search Newcastle University Library for this item

ISBN: 18626319


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