Beyond CMOS Devices: Valleytronics and Excitonic Devices

This lecture explores the advancements in semiconductor devices beyond CMOS technology, focusing on valleytronics and excitonic devices. Topics include the limitations of charge-based switches, band structures of 2D materials, valley polarization by spin injection, and interlayer excitons in transition metal dichalcogenides. The instructor discusses the potential of valleytronics for reversible computing and optical spin injection for valley/spin manipulation. Exciting developments in interlayer excitons and their manipulation in devices are also covered, highlighting the potential for future optoelectronic and IT applications.