Simulation of Aluminum Gallium Arsenide/Gallium Arsenide (AlGaAs/GaAs) High Electron Mobility Transistor (HEMTs) energy band diagram with spacer using shooting method - Payod, Renebeth; Ibañes, Jasher John; Somintac, Armando (Proceedings of the 29th Samahang Pisika ng Pilipinas National Physics Congress, 2011)