Mid infrared near-field fingerprint spectroscopy of the 2D electron gas in LaAlO${}_3$/SrTiO${}_3$ at low temperatures

Julian Barnett, Konstantin G. Wirth, Richard Hentrich +4

Confined electron systems, such as 2D electron gases (2DEGs), 2D materials, or topological insulators show great technological promise but their susceptibility to defects often res…