Current Status of Graphene Transistors

Details Current Status of Graphene Transistors Current Status of Graphene Transistors

2009-11-24

arxiv.org/abs/0911.4685v1

Solid State Phenomena Vols. 156-158 (2010) pp 499-509

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 6 figures

Scientific paper

10.4028/www.scientific.net/SSP.1

This paper reviews the current status of graphene transistors as potential supplement to silicon CMOS technology. A short overview of graphene manufacturing and metrology methods is followed by an introduction of macroscopic graphene field effect transistors (FETs). The absence of an energy band gap is shown to result in severe shortcomings for logic applications. Possibilities to engineer a band gap in graphene FETs including quantum confinement in graphene Nanoribbons (GNRs) and electrically or substrate induced asymmetry in double and multi layer graphene are discussed. Graphene FETs are shown to be of interest for analog radio frequency applications. Finally, novel switching mechanisms in graphene transistors are briefly introduced that could lead to future memory devices.

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