Yttrium Aluminum Garnet (YAG) is a synthetic crystalline solid used as a semiconductor and in photo optic applications.
When doped with rare earth such as Nd, Tm, Er, and Ce, it acts as a laser crystal and can be substituted for sapphire as a window materials.
Yttrium aluminate (Y3Al5O12); Yttrium aluminum oxide; Aluminum yttrium garnet; Aluminum yttrium oxide (Al10Y6O24); Pentaaluminum triyttrium oxide; Yttrium aluminate (Al5Y3O12); Yttrogarnet