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Energy dissipation in gigahertz oscillators from multiwalled carbon nanotubes | | Wanlin Guo
; Yufeng Guo
; Huajian Gao
; Quanshui Zheng
; Wenyu Zhong
; | | Date: |
19 Sep 2003 | | Journal: | Phys Rev Lett, 91 (12), 125501 | | Abstract: | Using atomistic models and molecular dynamics simulations, interlayer corrugation and resistant force in a biwalled carbon nanotube are shown to be strongly dependent upon the morphology combination of the bitube. Consequently, energy dissipation in a commensurate (e.g., armchair/armchair or zigzag/zigzag) bitube oscillator is found to be much larger than that in an incommensurate (e.g., zigzag/armchair) oscillator, resulting in a decay of oscillation amplitude within a few nanoseconds in the commensurate bitube and several tens of nanoseconds in the incommensurate bitube. | | Source: | PubMed, pmid14525370 | | Services: | Forum | Review | Favorites | |
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