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Quantum mechanical modeling of the structure and doping properties of defects in diamond

Lookup NU author(s): Dr Jon Goss, Professor Patrick Briddon, Rohini Sachdeva

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Abstract

The extreme materials properties of diamond lend it to a range of semiconductor applications, but the difficulty in forming n-type diamond, and the unintentional inclusion of deleterious impurities has proved problematic. Co-doping diamond with boron and deuterium yields n-type conduction and recent theory suggests that BD2 and BD3 complexes have shallow donor levels. We show here that the proposed structures are unstable and structural relaxation result in deep levels or passive defects. We also comment on other proposed co-doping schemes: N-H-N, S-H and Si4-N. Finally we show that combination of theory and the polarized uptake of Ni in diamond contradict the current interstitial Ni models for the 1.404 eV center. © 2005 American Institute of Physics.


Publication metadata

Author(s): Goss JP, Briddon PR, Sachdeva R, Jones R, Sque SJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Physics of Semiconductors: 27th International Conference on the Physics of Semiconductors

Year of Conference: 2005

Pages: 91-94

Publisher: AIP

URL: http://dx.doi.org/10.1063/1.1994009

DOI: 10.1063/1.1994009

Library holdings: Search Newcastle University Library for this item

Series Title: AIP Conference Proceedings

ISBN: 9780735402577


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