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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
(a) Values for energy bands (blue: bottom of conduction band, red: peak of valence band), Fermi level (dashed black line) and carrier density (green line) along the transverse axis for a Ge NW with additional n surface charges. (b) transverse section of a 3D plot of conductivity.