Abstract:
A semiconductor device includes a first metallization layer positioned above a substrate of the semiconductor device, the metallization layer including a dielectric material and a copper-containing metal region embedded in the dielectric material. The semiconductor device also includes a conductive barrier layer positioned along substantially an entirety of an interface between the copper-containing metal region and the dielectric material, the conductive barrier layer including a copper/silicon compound that is in direct contact with the dielectric material along substantially the entirety of the interface.