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Title | Effects of Stone-Wales Defect Position in Graphene Nanoribbon Field-Effect Transistor |
Authors |
Owlia, H.
Keshavarzi, P. Nasrollahnejad, M.B. |
ORCID | |
Keywords |
Device simulation Graphene nanoribbon field-effect transistor (GNRFET) Non-equilibrium Green's function (NEGF) Stone-Wales defect |
Type | Article |
Date of Issue | 2017 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/65991 |
Publisher | Sumy State University |
License | |
Citation | Owlia, H. Effects of Stone-Wales Defect Position in Graphene Nanoribbon Field-Effect Transistor [Текст] / H. Owlia, P. Keshavarzi, M.B. Nasrollahnejad // Журнал нано- та електронної фізики. – 2017. – Т.9, № 6. – 06008. – DOI: 10.21272/jnep.9(6).06008. |
Abstract |
In this paper, the current-voltage characteristics of a double-gated monolayer armchair graphene nanoribbon
field-effect transistor (DG-AGNRFET) is investigated by introducing a Stone-Wales (SW) defect.
After changing positions of the defect in width and length of the channel, it is found that the SW defect decreases
off current and leads to the further reduction of the off current as the defect moves to the edge.
However, this defect has not shown a notable impact on the on current. The results have confirmed the
possibility of controlling the electron transport of the DG-AGNRFET by defect engineering can be useful to
extend the applications of graphene nanoribbon-based devices. The device has been simulated based on the
self-consistent solution of a 3D Poisson-Schrödinger equation using non-equilibrium Green's function
(NEGF) formalism. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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File | Size | Format | Downloads |
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JNEP_06008_5.pdf | 1,17 MB | Adobe PDF | 30549239 |
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