| GUIDED CIRCUMFERENTIAL WAVES IN DOUBLE-WALLED CARBON NANOTUBES |
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| 作者姓名： | References： |
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| 作者单位： | Department of Mechanics and Engineering Science，Nanjing University of Science and Technology，Nanjing 210094，China |
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| 摘 要： | A model of guided circumferential waves propagating in double-walled carbon nan- otubes is built by the theory of wave propagation in continuum mechanics,while the van der Waals force between the inner and outer nanotube has been taken into account in the model.The dispersion curves of the guided circumferential wave propagation are studied,and some dispersion characteristics are illustrated by comparing with those of single-walled carbon nanotubes.It is found that in double-walled carbon nanotubes,the guided circumferential waves will propagate in more dispersive ways.More interactions between neighboring wave modes may take place.In particular,it has been found that a couple of wave modes may disappear at a certain frequency and that,while a couple of wave modes disappear,another new couple of wave modes are excited at the same wave number.
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| 关 键 词： | 碳纳米管 连续介质力学 圆周波支配 因素弥散 众数消失和激起 |
| 收稿时间： | 8 March 2006 |
| 修稿时间： | 2006-03-082006-10-31 |
GUIDED CIRCUMFERENTIAL WAVES IN DOUBLE-WALLED CARBON NANOTUBES |
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| Zhang Huiling,Yin Xiaochun.GUIDED CIRCUMFERENTIAL WAVES IN DOUBLE-WALLED CARBON NANOTUBES[J].Acta Mechanica Solida Sinica,2007,20(2):110-116. |
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| Authors: | Zhang Huiling Yin Xiaochun |
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| Institution: | 1. College of Information Science and Technology, Shanghai Ocean University, Shanghai 201306, China;2. Department of Architecture and Civil Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region;3. City University of Hong Kong Shenzhen Research Institute Building, Shenzhen Hi-Tech Industrial Park, Nanshan District, Shenzhen, China;1. College of Information Science and Technology, Shanghai Ocean University, Shanghai 201306, China;2. Department of Architecture and Civil Engineering, City University of Hong Kong, Kowloon, Hong Kong;3. City University of Hong Kong Shenzhen Research Institute Building, Shenzhen Hi-Tech Industrial Park, Nanshan District, Shenzhen, China;1. Corlu Vocational School, Namık Kemal University, 59860 Corlu, Tekirdag, Turkey;2. Natural Science Institute, Trakya University, 22180 Edirne, Turkey;3. Department of Mechanical Engineering, Trakya University, 22180 Edirne, Turkey |
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| Abstract: | A model of guided circumferential waves propagating in double-walled carbon nan- otubes is built by the theory of wave propagation in continuum mechanics,while the van der Waals force between the inner and outer nanotube has been taken into account in the model.The dispersion curves of the guided circumferential wave propagation are studied,and some dispersion characteristics are illustrated by comparing with those of single-walled carbon nanotubes.It is found that in double-walled carbon nanotubes,the guided circumferential waves will propagate in more dispersive ways.More interactions between neighboring wave modes may take place.In particular,it has been found that a couple of wave modes may disappear at a certain frequency and that,while a couple of wave modes disappear,another new couple of wave modes are excited at the same wave number. |
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| Keywords: | carbon nanotube guided circumferential waves continuum mechanics van der Waals force dispersion equation mode disappearance and excitation |
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