Tubular structures of germanium

Seifert, Gotthard and Köhler, Thomas and Hajnal, Zoltán and Frauenheim, Thomas (2001) Tubular structures of germanium. Solid State Communications, 119 (12). pp. 653-657. ISSN 0038-1098

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Abstract

In this paper we demonstrate, using density-functional tight-binding theory, that certain classes of germanium-based tubular nanostructures are stable and energetically viable. Specifically, we consider GeH nanotubes. The structures adopted by these nanotubes are very similar to those of previously reported silane and siloxene nanotubes. The Ge-based nanotubes have a semiconducting gap which is dependent on the tube diameter.

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