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Title:Theoretical Study of Carbon Nanotubes Adsorbed on the Silicon (100) Surface, And, Explorations on the Modulation of Conductance for Metallic Carbon Nanotubes
Author(s):Barraza-Lopez, Salvador
Doctoral Committee Chair(s):Hess, Karl
Department / Program:Physics
Discipline:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Physics, Condensed Matter
Abstract:Finally, and in a different direction, we calculate the effects of a longitudinal electrostatic perturbation on a metallic carbon nanotube to demonstrate conductance modulation. The external modulation would be screened in bulk metals but occurs in nanotubes because of their quasi two-dimensional shape allowing electrons to interact with nearby charges. This modulation is determined by the strength of the self-consistent potential and its periodicity over shorter or longer distances. We employ the zero temperature single-particle Green's function transport approach in the empirical tight-binding approximation to quantify the conductance.
Issue Date:2006
Type:Text
Language:English
Description:89 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.
URI:http://hdl.handle.net/2142/80535
Other Identifier(s):(MiAaPQ)AAI3242791
Date Available in IDEALS:2015-09-25
Date Deposited:2006


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