New Families of Carbon Nanotubes

Details New Families of Carbon Nanotubes New Families of Carbon Nanotubes

2002-07-02

arxiv.org/abs/cond-mat/0207085v1

Physics

Condensed Matter

Materials Science

Scientific paper

Fundamentally new families of carbon single walled nanotubes are proposed. These nanotubes, called graphynes, result from the elongation of covalent interconnections of graphite-based nanotubes by the introduction of yne groups. Similarly to ordinary nanotubes, arm-chair, zig-zag, and chiral graphyne nanotubes are possible. Electronic properties, predicted using tight-binding and ab initio density functional methods, show a rich variety of metallic and semiconducting behaviors.

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