Aluminium arsenide
Aluminium arsenide is a chemical compound. Its chemical formula is AlAs. It has aluminium and arsenide ions in it.
| Identifiers | |
|---|---|
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.041.126 |
PubChem CID |
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CompTox Dashboard (EPA) |
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SMILES
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| Properties | |
| 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 | |
| Zinc Blende | |
Space group |
T2d-F-43m |
| Tetrahedral | |
| Related compounds | |
| Related semiconductor materials | Aluminium gallium arsenide, Aluminium indium arsenide, Aluminium antimonide, Boron arsenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
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.
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