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Open AccessJournal ArticleDOI

Operation of Graphene Transistors at GHz Frequencies

TLDR
In this article, top-gated graphene transistors operating at high frequencies (GHz) have been fabricated and their characteristics analyzed, and the measured intrinsic current gain shows an ideal 1/f frequency dependence, indicating an FET-like behavior for GAs.
Abstract
Top-gated graphene transistors operating at high frequencies (GHz) have been fabricated and their characteristics analyzed. The measured intrinsic current gain shows an ideal 1/f frequency dependence, indicating an FET-like behavior for graphene transistors. The cutoff frequency fT is found to be proportional to the dc transconductance gm of the device. The peak fT increases with a reduced gate length, and fT as high as 26 GHz is measured for a graphene transistor with a gate length of 150 nm. The work represents a significant step towards the realization of graphene-based electronics for high-frequency applications.

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Journal ArticleDOI

Graphene: Status and Prospects

TL;DR: This review analyzes recent trends in graphene research and applications, and attempts to identify future directions in which the field is likely to develop.
Journal ArticleDOI

Graphene and Graphene Oxide: Synthesis, Properties, and Applications

TL;DR: An overview of the synthesis, properties, and applications of graphene and related materials (primarily, graphite oxide and its colloidal suspensions and materials made from them), from a materials science perspective.
Journal ArticleDOI

Graphene based materials: Past, present and future

TL;DR: Graphene and its derivatives are being studied in nearly every field of science and engineering as mentioned in this paper, and recent progress has shown that the graphene-based materials can have a profound impact on electronic and optoelectronic devices, chemical sensors, nanocomposites and energy storage.
Journal ArticleDOI

Ultrafast graphene photodetector

TL;DR: This work demonstrates ultrafast transistor-based photodetectors made from single- and few-layer graphene that do not degrade for optical intensity modulations up to 40 GHz and suggests that the intrinsic bandwidth may exceed 500 GHz.
Journal ArticleDOI

Science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems

Andrea C. Ferrari, +68 more
- 04 Mar 2015 - 
TL;DR: An overview of the key aspects of graphene and related materials, ranging from fundamental research challenges to a variety of applications in a large number of sectors, highlighting the steps necessary to take GRMs from a state of raw potential to a point where they might revolutionize multiple industries are provided.
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