Successful visualization of two-dimensional electron gas in high-frequency/power devices

https://phys.org/news/2023-03-successful-visualization-two-dimensional-electron-gas.html

"GaN-based efficient LEDs and laser diodes... high dielectric breakdown strength and saturated electron velocity... combined magnetic-field-free atomic resolution with tilt-scan system and ultrahigh-sensitivity, high-speed division-type detector observe 2D electron gas accumulated at gallium nitride/aluminum indium nitride heterointerface... high-performance/ frequency power communications controlling 2D electron gas, interface analysis and control semiconductors, and power converters"