Lookup NU author(s): Professor Patrick Briddon
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Gold, silver and copper defects in germanium are modeled using density functional theory. The structures and electrical properties of the substitutional metals are calculated in excellent agreement with experiment. Interstitial Au, Ag and Cu are found to be shallow donors, in disagreement with a previous assignment of Cui to a hole trap in the lower half of the gap. Substitutional-interstitial metal (Mi - Ms) pairs and metal-vacancy pairs (Ms - V) are also investigated. © 2008 Elsevier Ltd. All rights reserved.
Author(s): Carvalho A, Coutinho J, Jones R, Silva E, Öberg S, Briddon P
Publication type: Article
Publication status: Published
Journal: Materials Science in Semiconductor Processing
ISSN (print): 1369-8001
ISSN (electronic): 1873-4081
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