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Molecular Motor Constructed from a Double-Walled Carbon Nanotube Driven by Axially Varying Voltage | | Z. C. Tu
; X. Hu
; | | Date: |
5 Dec 2004 | | Journal: | Phys. Rev. B 72, 033404 (2005) DOI: 10.1103/PhysRevB.72.033404 | | Subject: | Materials Science | cond-mat.mtrl-sci | | Abstract: | A new molecular motor is conceptually constructed from a double-walled carbon nanotube (DWNT) consisting of a long inner single-walled carbon nanotube (SWNT) and a short outer SWNT with different chirality. The interaction between inner and outer tubes is the sum of the Lennard-Jones potentials between carbon atoms in inner tube and those in outer one. Within the framework of Smoluchowski-Feynman ratchet, it is theoretically shown that this system in an isothermal bath will exhibit a unidirectional rotation in the presence of a varying axial electrical voltage. | | Source: | arXiv, cond-mat/0501062 | | Services: | Forum | Review | PDF | Favorites | |
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