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Quantum Transport Through Intermolecular Nanotube Junctions

Published online by Cambridge University Press:  15 March 2011

Alper Buldum and
Jian Ping Lu
Alper Buldum
Affiliation:
Department of Physics and Astronomy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599
Jian Ping Lu
Affiliation:
Department of Physics and Astronomy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599
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Abstract

Quantum transport properties of intermolecular nanotube contacts are investigated. We find that atomic structure in the contact region plays important roles and resistance of contacts varies strongly with geometry and nanotube chirality. Nanotube end-end contacts have low resistance and show negative differential resistance (NDR) behavior. Exerting small pressure/force between the tubes can dramatically decrease contact resistance, if the contact is commensurate. Significant variation and nonlinearity of contact resistance may lead to new device applications.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000, A3.3
Copyright
Copyright © Materials Research Society 2001

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