Igumbor, EmmanuelOmotoso, EzekielDanga, Helga TariroTunhuma, Shandirai MalvenMeyer, Walter Ernst2017-11-102017-10Igumbor, E., Omotoso, E., Danga, H.T., Tunhuma, S.M. & Meyer, W.E. 2017, 'Rare earth interstitial-complexes in Ge : hybrid density functional studies', Nuclear Instruments and Methods in Physics Research Section B : Beam Interactions with Materials and Atoms, vol. 409, pp. 9-13.0168-583X (print)1872-9584 (online)10.1016/j.nimb.2017.04.044http://hdl.handle.net/2263/63096Please read abstract in the article.en© 2017 Elsevier B.V. All rights reserved. Notice : this is the author’s version of a work that was accepted for publication in Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. A definitive version was subsequently published in Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 409, pp. 9-13, 2017. doi : 10.1016/j.nimb.2017.04.044.DefectsIonsGermanium (Ge)Ab initioProjector-augmented wave (PAW) methodRare earth (RE)Charge stateFormation energyDensity functional theory (DFT)Postprint Article