Home > Publications database > Smallest carbon nanotube is 3 A in diameter |
Journal Article | PreJuSER-38262 |
; ; ; ; ;
2004
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/1371 doi:10.1103/PhysRevLett.92.125502
Abstract: Previous energetic considerations have led to the belief that carbon nanotubes (CNTs) of 4 Angstrom in diameter are the smallest stable CNTs. Using high-resolution transmission electron microscopy, we find that a stable 3 Angstrom CNT can be grown inside a multiwalled carbon nanotube. Density functional calculations indicate that the 3 Angstrom CNT is the armchair CNT(2,2) with a radial breathing mode at 787 cm(-1). Each end can be capped by half of a C-12 cage (hexagonal prism) containing tetragons.
Keyword(s): J
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