Aluminium arsenide
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| Identifiers | |
|---|---|
| CAS number | |
| PubChem | |
| SMILES | [Al]#[As] |
| Properties | |
| Molecular formula | AlAs |
| Molar mass | 101.9031 g/mol |
| Appearance | orange crystals |
| Density | 3.72 g/cm3 |
| Melting point |
1740 °C (2013 K) |
| Band gap | 2.12 eV (indirect)[1] |
| Electron mobility | 200 cm2/(V·s) (300 K) |
| Thermal conductivity | 0.9 W/(cm·K) (300 K) |
| Refractive index (nD) | 3 (infrared) |
| Structure | |
| Crystal structure | Zinc Blende |
| Space group | T2d-F-43m |
| Coordination geometry |
Tetrahedral |
| Related compounds | |
| Related semiconductor materials | Aluminium gallium arsenide, Aluminium indium arsenide, Aluminium antimonide, Boron arsenide |
Aluminium arsenide is a chemical compound. Its chemical formula is AlAs. It has aluminium and arsenide ions in it.
Properties and preparation
Aluminium arsenide is an orange solid. It is toxic because it has arsenic in it. It is a semiconductor. It reacts with acids to make arsine. It is made by reacting aluminium and arsenic.
Related pages
Sources
- ↑ AlxGa1-xAs. Ioffe Database. Sankt-Peterburg: FTI im. A. F. Ioffe, RAN.
