Al₀.₃Ga₀.₇As is a direct-bandgap III-V semiconductor alloy combining aluminum, gallium, and arsenic in a ternary composition that falls within the AlGaAs material system. This alloy is engineered to achieve specific bandgap energies intermediate between pure GaAs and AlAs, making it a cornerstone material for optoelectronic and high-frequency electronic devices where bandgap engineering is critical. The Al₀.₃Ga₀.₇As composition is particularly notable for laser applications, high-brightness LEDs, and heterojunction devices, where its bandgap and lattice properties enable efficient carrier confinement and light generation in the near-infrared to visible spectrum.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.810 | eV | — |