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arXiv · 0912.3549

Dual Gate Graphene FETs with fT of 50 GHz

Yu-Ming Lin·Hsin-Ying Chiu·Keith A. Jenkins·Damon B. Farmer·Phaedon Avouris·Alberto Valdes-Garcia
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Abstract

A dual-gate graphene field-effect transistors is presented, which shows improved RF performance by reducing the access resistance using electrostatic doping. With a carrier mobility of 2700 cm2/Vs, a cutoff frequency of 50 GHz is demonstrated in a 350-nm gate length device. This fT value is the highest frequency reported to date for any graphene transistor, and it also exceeds that of Si MOSFETs at the same gate length, illustrating the potential of graphene for RF applications.

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Yu-Ming Lin, Hsin-Ying Chiu, Keith A. Jenkins, Damon B. Farmer, Phaedon Avouris, Alberto Valdes-Garcia. 2009-12-17. Dual Gate Graphene FETs with fT of 50 GHz. https://doi.org/10.1109/led.2009.2034876

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