Lookup NU author(s): Professor Patrick Briddon
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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.
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
Publisher: Elsevier BV
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