Electronic transport properties of single-wall carbon nanotube with pentagon-heptagon-pair defect | Zendy

Hui Zeng | Zendy; Huifang Hu | Zendy; Jianwei Wei | Zendy; Fang Xie | Zendy; Ping Peng | Zendy

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Electronic transport properties of single-wall carbon nanotube with pentagon-heptagon-pair defect

Author(s) -

Hui Zeng,

Huifang Hu,

Jianwei Wei,

Fang Xie,

Ping Peng

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.4822

Subject(s) - carbon nanotube , pentagon , materials science , heterojunction , nanotube , density functional theory , molecular physics , nanotechnology , chemical physics , condensed matter physics , physics , quantum mechanics , optoelectronics , geometry , mathematics

Using the density-functional theory in combination with nonequilibrium Green's function technique, we studied the densities of states and transport properties of the(70)—(80)and(80)—(90)single-wall carbon-nanotube heterojunctions containing one pentagon-heptagon-pair (5/7) topological defect. The result suggests that the effect of pentagon-heptagon-pairs (5/7) topological defects on carbon nanotubes is remarkable.In addition, the heterojunctions constituted by different types of carbon nanotubes also have different characteristics.

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