Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9789685 | Physica E: Low-dimensional Systems and Nanostructures | 2005 | 6 Pages |
Abstract
In this paper, two analytical formulas are derived from density-functional-theory calculations: the highest occupied molecular orbital energy and the total energy of a charged single-walled carbon nanotube (SWNT) as functions of the charge. These formulas are used to examine the electron tunneling of a SWNT acting as a quantum dot. The final results validate the usual semi-classical approach, but some intermediate results are different. The capacitance of a SWNT is also discussed, since the formulas are expressed in terms of this quantity. Finally, a prototype of single-electron transistor is suggested.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Ji Luo, L.-M. Peng, Z.Q. Xue, J.L. Wu,