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The electric resistance and the transport properties of carbon nanotube with a Cu chain: A First-Principle study

Published online by Cambridge University Press:  02 September 2013

Chengyu Yang  and
Quanfang Chen
Chengyu Yang
Affiliation:
Mechanical and Aerospace Engineering Department, University of Central Florida, Orlando, Florida, 328162450, USA
Quanfang Chen*
Affiliation:
Mechanical and Aerospace Engineering Department, University of Central Florida, Orlando, Florida, 328162450, USA
*
*[email protected]
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Abstract

The electric resistance and the transport properties of a carbon nanotube (5,5) adsorbed with a copper chain connected with two copper end electrodes have been calculated by employing the nonequilibrium Green’s function and the Density Function Theory. The properties of the pure carbon nanotube (5,5) with the Cu electrodes have also been calculated as a reference. Both the equilibrium and the nonequilibrium conditions have been investigated. The results have shown that the electrical resistance of the metallic CNT (5,5) has been reduced by the adsorption of the Cu chain due to the interaction between the Cu and the CNT. The change of the I-V curve slope is also explained in terms of the transmission spectrum.

Keywords

Cuelectronic structuremetallic conductor
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1549: Symposium P – Carbon Functional Nanomaterials, Graphene and Related 2D-Layered Systems , 2013 , pp. 123 - 128
Copyright
Copyright © Materials Research Society 2013 

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