[AlGaInP]
x=Al

[AlGaAs]
x=Al

[HgCdTe]
x=Cd

[InGaSb]
x=Ga

[ReSiGe]
x=Ge

[ReInGaAs]
x=In

[SiGe]
x=Si

[StInGaAs]
x=In

[SiON]
x=N

[SiPOLY]
x=Poly

[StSiGe]
x=Ge

[ZnCdTe]
x=Cd

[ZnSeTe]
x=Te