III-V semiconductors Gallium nitride 2 High electron mobility transistors 2 Acetone 1 Acoustic surface wave filters 1 Acoustic waves 1 Aluminum gallium nitride 1 Aluminum nitride 1 As-grown 1 Breath analysis 1 Chemical detection 1 Complementary logic circuits 1 Computer circuits 1 Efficiency 1 Electron channel 1 Electron mobility 1 Electrons 1 Energy transfer 1 FBAR 1 Field-effect transistor 1 Finite element method 1 Finite element simulations 1 GaN HEMT 1 Gallium Nitride 1 Gallium nitride HEMT 1 Gas detectors 1 Gas sensing 1 Gas sensing electrodes 1 Gases 1 Hetero-interfaces 1