What is "aluminium nitride"

n. (context inorganic compound English) The semiconductor compound AlN that is a binary compound of aluminium and nitrogen

Aluminium nitride ( Al N) is a nitride of aluminium. Its wurtzite phase (w-AlN) is a wide band gap (6.01-6.05 eV at room temperature) semiconductor material, giving it potential application for deep ultraviolet optoelectronics.