Smallest Nanotube: Breaking the Symmetry of sp3 Bonds in Tubular Geometries

Dragan Stojkovic, Peihong Zhang, Vincent Henry Crespi

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

We describe how sp2 carbon, threefold coordinated by other carbons, can be replaced by sp3 carbon, also threefold carbon coordinated, to produce extremely small-diameter (∼0.4nm) carbon nanowires with only minimal bond-angle distortion. Under a naming convention analogous to that for ordinary carbon nanotubes, the smallest sp3 tubes have wrapping indices (3,0) and (2,2). These systems have large band gaps and a stiffness larger even than that of traditional sp2-bonded carbon nanotubes. They therefore form the stiffest one-dimensional systems known.

Original languageEnglish (US)
JournalPhysical Review Letters
Volume87
Issue number12
DOIs
StatePublished - Jan 1 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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