What is Direct band gap?
A band structure in which the bottom of the conduction band and the top of the valence band are at the same wave number. Electron-hole recombination emits light efficiently. Example: GaAs.
Field: Compound semiconductors
Related terms
2DEG (two-dimensional electron gas) Alloy semiconductor Efficiency droop Ga2O3 (gallium oxide) GaAs (gallium arsenide) GaN (gallium nitride) HEMT (high-electron-mobility transistor) III-V compound semiconductor InP (indium phosphide) MMIC