Aluminium arsenide

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Aluminium arsenide
3D model (JSmol)
ECHA InfoCard 100.041.126
  • [Al]#[As]
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)
3 (infrared)
Zinc Blende
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

Aluminium arsenide is a chemical compound. Its chemical formula is AlAs. It has aluminium and arsenide ions in it.

Properties and preparation[change | change source]

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[change | change source]

Sources[change | change source]

  1. "AlxGa1-xAs". Ioffe Database. Sankt-Peterburg: FTI im. A. F. Ioffe, RAN.