April 19, 2026 • This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission has failed, but to keep it alive a little longer. April 17, ...

Abstract: Physics-based analytical model of 2-D electron gas (2DEG) density is proposed for p-GaN/AlGaN/GaN heterostructure considering the thermionic field emission (TFE) of holes through gate ...