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Delay Analysis of Graphene Field-Effect Transistors
Han Wang, Allen Hsu, Dong Seup Lee +3
In this letter, we analyze the carrier transit delay in graphene field-effect transistors (GFETs). GFETs are fabricated at the wafer-scale on sapphire substrate. For a device with…
Observation of Electronic Raman Scattering in Metallic Carbon Nanotubes
Hootan Farhat, Stéphane berciaud, Martin Kalbac +4
We present experimental measurements of the electronic contribution to the Raman spectra of individual metallic single-walled carbon nanotubes (MSWNTs). Photoexcited carriers are i…
Nonlinear THz Conductivity Dynamics in CVD-Grown Graphene
Harold Y. Hwang, Nathaniel C. Brandt, Hootan Farhat +3
We report strong THz-induced transparency in CVD-grown graphene where 92%-96% of the peak-field is transmitted compared to 74% at lower field strength. Time-resolved THz-pump/THz-p…