Indian research team develops fully indigenous gallium nitride power switch

https://techxplore.com/news/2023-09-indian-team-fully-indigenous-gallium.html

"GaN transistor metal organic chemical vapor deposition layer by layer on 2-inch silicon wafer... combined GaN and silicon transistor to keep device normally off... switching time 50 ns... scale up dimensions so can operate high currents, step up or step down voltages... EV. phone and laptop power converters, wireless communications, space and military applications (radar)"