Integrated circuits based on a 2D semiconductor operating at GHz frequencies

https://techxplore.com/news/2023-11-circuits-based-2d-semiconductor-ghz.html

"ring oscillator (RO) tunable circuit producing signals utilizing 2D semiconducting MoS2-based field-effect transistors (FE)... RO constructed by cascading 5 inverters in ring, and output read through buffer... each inverter constructed from enhanced (E)-mode FET as drive and depletion (D)-mode FET with gate and source terminals connected as load... for D-mode FETs, deposited sub-stoichiometric AlOx on MoS2... frequencies up to 2.65 GHz, scalable... DTCO advancing 2D semiconductor circuit-level performance"