Gallium antimonide (GaSb) is a III-V compound semiconductor formed from gallium and antimony elements, belonging to the same semiconductor family as GaAs and InSb. It is primarily used in infrared optoelectronic devices, thermal imaging systems, and high-frequency applications where its direct bandgap and favorable electron mobility make it advantageous over silicon-based alternatives. GaSb is notable for its performance in mid-infrared detection and as a substrate material for lattice-matched heterostructures, though it remains less common than GaAs due to higher cost and more specialized application requirements.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 45.90 | GPa | — | ||
Shear Modulus(G) | 29.88 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1079 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.1490 | eV/atom | — |