Terahertz Hot-Electron Bolometric Detectors Based on Metal/Black-AsP/Graphene FETs: Proposal and Evaluation

Taiichi Otsuji,Victor Ryzhi,Chao Tang,Maxim Ryzhii,Vladimir Mitin,Michael S. Shur

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)（2023）

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摘要

A novel terahertz (THz) hot-electron bolometric detector based on a graphene field effect transistor with the blackAsP gate barrier layer (BL) is proposed and evaluated theoretically. By providing a relatively low energy barrier for the emitted electrons the b-AsP BL helps reinforce the THz radiation absorption and the intensification of the electron heating and thermionic emission associated with the resonant excitation of plasmonic oscillations in the graphene channel.

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关键词

AsP-C/int,BL,black-gate barrier layer,electron heating,emitted electrons,graphene channel,graphene field effect transistor,low energy barrier,metal-black-AsP-graphene FET,plasmonic oscillations,terahertz hot-electron bolometric detectors,thermionic emission,THz hot-electron bolometric detectors,THz radiation absorption

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