Silicon Oxide

02 Materials, Wafers & Crystal

Notation SiO2 (silicon dioxide); SiOx (variable composition)

Definition

A silicon–oxygen material; in conventional IC processing, the term commonly refers to silicon dioxide (SiO2), while nonstoichiometric SiOx films also occur.

Application

Used, especially as SiO2, for device and interconnect insulation and as a dielectric in gate and capacitor structures.

Related concepts

Evidence and further reading