Aluminium arsenide

Aluminium arsenide (also aluminum arsenide), AlAs, is a semiconductor material with almost the same lattice constant as GaAs and AlGaAs and wider band gap than GaAs.

Additional recommended knowledge

Essential Laboratory Skills Guide

What is the Correct Way to Check Repeatability in Balances?

Recognize and detect the effects of electrostatic charges on your balance

It has the appearance of orange cubic crystals, with melting point of 1740 °C and density of 3.76 g/cm³. It is hygroscopic.

Its CAS number is [22831-42-1].

It can be used to form quantum well structures with GaAs.

See also

• Aluminium antimonide
• Boron arsenide
• Aluminium gallium arsenide
• Aluminium indium arsenide