AlN is a compound formed by the addition of nitrogen to aluminium. In addition, it contains a number of other elements such as oxygen and hydrogen. It is known in both nature and industry for its unique properties. Aln has become very important in the electronics industry because it can be used as a semiconductor or barrier material for microelectronics. In addition, aln has been proved to be effective in many industrial applications including catalysts and flame retardants. The high electrical conductivity makes it also suitable for use in various types of batteries and capacitors.