凯发

Speaker-Yun Wu

Yun Wu
Senior engineer, Nanjing Electronic Device Institute

Hereceived Ph.D degree from Wuhan University, China, in 2012. He joined Scienceand Technology on Monolithic Integrated Circuits and Modules Laboratory, iscurrently asenior engineer with NanjingElectronic Devices Institute. His research activity has focused on the graphenebase RF device in 2012.

Title:200GHz Maximum Oscillation Frequency in CVD Radio Frequency Graphene Transistors
SymposiumHigh Frequency Electronics
Starting Time
Ending Time
Abstract

Grapheneis a promising candidate in analog electronics with projected operationfrequency well into the terahertz range. In contrast to the intrinsic cutofffrequency (fT) of 427 GHz,the maximum oscillation frequency (fmax)of graphene device still remains at low level, which severely limits itsapplication in radio frequency amplifiers. Here, we develop a novel transfermethod for chemical vapor deposition graphene, which can prevent graphene fromorganic contamination during the fabrication process of the devices. Thismethed maintains ideally compatible with wet-etching self-aligned process andT-type gate, by which the parasitical effect could berestrained.As a result,asmall parasiticresistance of 105 Ωμm is achieved and a clear saturation current of the devices is observed. Particularly, fmax of 106 GHz and 200 GHzbefore and after de-embedding respectively outperforms any GFET reported todata. We wish the approach we proposed here will pave the way to graphene basedRF device.

Main Organizer

CGIA supports members to focus on application and industry chain, to keep pace with market development, to guarantee industry interests by involving in policy making and establishing standards, and to build long-term cooperation with up-down stream enterprises all over the world.

Contact
+86-18657108128
+86-10-62771936

E-mail: meeting@c-gia.org

Abstract: Minyang Lu

Sponsor: Wenyang Yang

Media: Liping Wang

Follow us on WeChat
Copyright © GRAPCHINA 京ICP备10026874号-24     京公网安备 11010802030754号
share to:

Operated by:China Innovation Alliance of the Graphene Industry