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Transfer doping of diamond: The use of C60 and C60 F36 to effect p-type surface conductivity

Lookup NU author(s): Professor Patrick Briddon

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Abstract

Ab initio density-functional theory is used to determine the suitability for transfer doping of diamond surfaces with various hydrogen and oxygen terminations. Transfer doping of the hydrogenated (0 0 1) diamond surface with C60 is investigated, and electron transfer from diamond to C60 (leaving a hole layer near the diamond surface) is predicted for a C60 coverage of about one monolayer. The efficiency of electron transfer is expected to increase for higher coverages. It is also shown that the greater electron affinity of fluorinated C60 is likely to enhance the effect, in that C60F36 can extract electrons from hydrogenated diamond at much lower coverages. The consequences of oxygenation of the diamond surface on the transfer-doping properties of C60 are also investigated. © 2005 Elsevier B.V. All rights reserved.


Publication metadata

Author(s): Sque SJ, Jones R, Oberg S, Briddon PR

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Physica B: Condensed Matter, 23rd International Conference on Defects in Semiconductors

Year of Conference: 2006

Pages: 268-271

ISSN: 0921-4526

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.physb.2005.12.069

DOI: 10.1016/j.physb.2005.12.069

Library holdings: Search Newcastle University Library for this item

ISBN: 18732135


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