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Analytic Solution of Charge Density of Single Wall Carbon Nanotube under Conditions of Field Electron Emission |
LI Zhi-Bing;WANG Wei-Liang |
The State Key Laboratory of Optoelectronic Materials and Technologies, Department of Physics, Sun-Yat-sen University, Guangzhou 510275 |
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Cite this article: |
LI Zhi-Bing, WANG Wei-Liang 2006 Chin. Phys. Lett. 23 1616-1618 |
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Abstract We derive the analytic solution of induced electrostatic potential along single wall carbon nanotubes. Under the hypothesis of constant density of states in the charge-neutral level, we are able to obtain the linear density of excess charge in an external field parallel to the tube axis.
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Keywords:
79.70.+q
73.63.Fg
73.90.+f
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Published: 01 June 2006
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PACS: |
79.70.+q
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(Field emission, ionization, evaporation, and desorption)
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73.63.Fg
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(Nanotubes)
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73.90.+f
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(Other topics in electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures)
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