Electron Transport Properties of Graphene Device with Au Electrodes: A First-principles Investigation

DOI

10.2991/icmmita-15.2015.177How to use a DOI?

Keywords

Graphene; Electron Transport; Semiconductor Device; First-principles

Abstract

We present a first-principles investigation of electron transport in graphene contact with Au electrodes. Using destiny function theory and a non-equilibrium Green’s function approach, we obtain the best transmission spectrum and current-voltage profiles for Au-graphene-Au contacting device. For this device, the current exist an obvious increase in scattering region as rotating graphene at a low bias voltage. The maximum current (2.813?A) is found at 30 degree of rotating graphene sheet. As the bias increase, there is a negative differential conductance effect at rotating 120 degree. These results provide some potential applications in oscillator and transistor devices.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiaotong Li
AU  - Yanwu Lu
AU  - Dan Li
PY  - 2015/11
DA  - 2015/11
TI  - Electron Transport Properties of Graphene Device with Au Electrodes: A First-principles Investigation
BT  - Proceedings of the 2015 3rd International Conference on Machinery, Materials and Information Technology Applications
PB  - Atlantis Press
SP  - 964
EP  - 968
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmmita-15.2015.177
DO  - 10.2991/icmmita-15.2015.177
ID  - Li2015/11
ER  -