2005
DOI: 10.1007/3-540-28075-8_2
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Symmetry Based Fundamentals of Carbon Nanotubes

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Cited by 23 publications
(24 citation statements)
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“…Namely, arbitrary atom P of the coiled tube of the helix radiusρ is characterized by the coordinates (φ,z): cross section of the helical tube through P is circle with the center S, thenz is the length of the arc of the helix between XY plane and S, whileφ is angle between SP and the (horizontal) direction perpendicular to Z through S. Therefore, the coordinates (ρ,φ,z) of the atom of the helically coiled nanotube are the same as the cylindrical coordinates [7] (ρ, ϕ, z) of the straight single-wall tube, depending only on the relative rotational position of the primary straight nanotube and of the helix,φ = ϕ + ϕ 0 .…”
Section: Relaxation and Electronic Band Structurementioning
confidence: 99%
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“…Namely, arbitrary atom P of the coiled tube of the helix radiusρ is characterized by the coordinates (φ,z): cross section of the helical tube through P is circle with the center S, thenz is the length of the arc of the helix between XY plane and S, whileφ is angle between SP and the (horizontal) direction perpendicular to Z through S. Therefore, the coordinates (ρ,φ,z) of the atom of the helically coiled nanotube are the same as the cylindrical coordinates [7] (ρ, ϕ, z) of the straight single-wall tube, depending only on the relative rotational position of the primary straight nanotube and of the helix,φ = ϕ + ϕ 0 .…”
Section: Relaxation and Electronic Band Structurementioning
confidence: 99%
“…This is incorporated in the density functional tight-binding procedure within POLSym code [7], used to find relaxed configurations and electro-optical properties.…”
Section: Relaxation and Electronic Band Structurementioning
confidence: 99%
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“…Tako dobijene konfiguracije iskorišćene su kao ulazni podaci za izračunavanje elektronskih energija, gustina stanja i optičke provodnosti. Proračun elektronskih energija i stanja, je uraden u okviru teorije funkcionala gustine prilagodene za aproksimaciju jake veze ("Density Functional Tight Binding", DFTB) [49] pomoću POLSym programa [50] u sp 3 modelu (2s i tri 2p orbitale Slejterovog tipa po ugljenikovom atomu) sa meduatomskom interakcijom dočetvrtog nivoa suseda i uz primenu ukupne linijske grupe simetrije. Hibridizacija i efekti krivine su uzeti u obzir.…”
Section: Rezultatiunclassified
“…Proračun elektronskih energija i stanja, je uraden u okviru teorije funkcionala gustine prilagodene za aproksimaciju jake veze (DFTB) [49] pomoću POLSym programa [50] u sp 3 modelu (2s i tri 2p…”
Section: Tipovi Elektronskih Zonaunclassified