https://researchportal.bath.ac.uk/en/publications/non-linear-doppler-shift-of-the-plasmon-resonance-in-a-grating-co-2/
Non-linear Doppler shift of the plasmon resonance in a grating-coupled drifting 2DEG - the...
https://www.semiconductor-today.com/news_items/2026/jan/uom-260126.shtml
Increasing 2DEG density with aluminium nitride barriers
Researchers claim 1.3x1014cm2 record for AlN/GaN structures.
aluminium nitrideincreasingdensitybarriers