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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:0812.4739 (cond-mat)
[Submitted on 27 Dec 2008 (v1), last revised 25 Sep 2009 (this version, v2)]

Title:A semi-analytical model of Bilayer Graphene Field Effect Transistor

Authors:Martina Cheli, Gianluca Fiori, Giuseppe Iannaccone
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Abstract: Bilayer graphene has the very interesting property of an energy gap tunable with the vertical electric field. We propose an analytical model for a bilayer-graphene field-effect transistor, suitable for exploring the design parameter space and to find a device structure with promising performance in terms of transistor operation. Our model, based on the effective mass approximation and ballistic transport assumptions, takes into account bilayer-graphene tunable gap and self polarization, and includes all band-to-band tunneling current components, which are shown to represent the major limitation to transistor operation, because the limited achievable energy gap is not sufficient to obtain a large Ion/Ioff ratio.
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:0812.4739 [cond-mat.mes-hall]
  (or arXiv:0812.4739v2 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.0812.4739
Related DOI: https://doi.org/10.1109/TED.2009.2033419

Submission history

From: Martina Cheli [view email]
[v1] Sat, 27 Dec 2008 12:19:10 UTC (892 KB)
[v2] Fri, 25 Sep 2009 10:58:11 UTC (1,446 KB)
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