September 27, 2020

Abstract: High-performance graphene field-effect transistors have been fabricated on epitaxial graphene synthesized on a two-inch SiC wafer, achieving a cutoff. GHz Transistors from Wafer-Scale Epitaxial Graphene. Y.-M. Lin*,; C. Dimitrakopoulos,; K. A. Jenkins,; D. B. Farmer,; H.-Y. Chiu,; A. Grill. Including Carbon Nanotubes and Graphene Prasanna Chandrasekhar GHz transistors from wafer-scale epitaxial grapheneā€¯ were reported, also from an of a SiC wafer, achieving a cutoff frequency of GHz for a gate length of nm.

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More options Purchase digital access to this article Download and print this article for your personal scholarly, research, and educational use. Featured Analyses What’s Hot In Thank you for your interest in spreading the word about Science. Graphene is a two-dimensional crystal consisting of a monolayer trahsistors carbon atoms arranged in a honeycomb lattice, and possessing unusual electronic properties that may eventually lead to vastly faster transistors than those achieved so far.

Computer Science The sex robots are here. This work also pointed out the issues to be addressed in order to fully utilize the potential of graphene in high-frequency electronics. We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail.

Log in through your institution Log in with your institution via Shibboleth. We also investigated, for the first time, the scaling behavior of graphene devices as the device dimension shrinks, epitaaxial exhibits a different trend from that of conventional semiconductors.


How did graphne become involved in trqnsistors research, and were there any problems along the way? Previous left arrow key Next right arrow key Close Move. Would you summarize the significance of your paper in layman’s terms? Graphene holds great potential for future electronics, and its destiny is largely linked to various materials issues that need to be resolved, including the synthesis of large-scale, high-quality graphene sheets and the improvement of the device fabrication process.

The major challenges of this work included the design of the graphene transistor and the deposition of a high-quality oxide film as the gate insulator. Message Subject Your Name has forwarded a page to you from Science. This paper is likely well-cited because it presents one of the first experimental demonstrations of gigahertz graphene transistors with the highest frequency reported thus far, and establishes the hraphene behavior of device performance with respect to the device dimension.

Log in through your institution Log in via OpenAthens. Do you foresee any social or political implications for your research? Where do you see your research leading in the future? I hope the fraphene of this research could lead to graphene-based integrated circuits for analog and, perhaps, digital applications.

May – New Hot Papers: Quasicrystals Tessellating tiny tetrahedrons. Another great garphene involved the deposition of a high-quality insulator on graphene without deteriorating its transport properties, and this issue was successfully addressed by a process developed by Dr. Existing users log in. E;itaxial for free to read this article As a service to the community, this article is available for free.


GHz Transistors from Wafer-Scale Epitaxial Graphene | Science

In this paper, we presented an approach to fabricate top-gated graphene transistors using exfoliated graphene extracted from a graphite crystal, and demonstrated the operation of the graphene transistors at a frequency as high waer-scale 26 gigahertz, or 26 billion cycles per second.

The author has also sent along images of his eitaxial. Graphene is a material that has generated enormous research interest and activity in the past few years because of its unique electrical properties and its potential for use in future electronics.

Why do you think your paper is highly cited? Yu-Ming Lin talks with ScienceWatch. I was already exploring electrical transport properties of graphene and its nano-ribbons, fgom became involved with the fabrication and characterization of graphene transistors when the CERA program was launched in May, Does it describe a new discovery, methodology, or synthesis of knowledge? The work benefited greatly from the insightful discussions and guidance of Dr.

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100-GHz transistors from wafer-scale epitaxial graphene.

Save to my folders. Log in to view full text via AAAS login. The maximum switching frequency of these devices exceeds that of silicon transistors with similar gate-electrode dimensions.