Semiconductor device having cobalt niobate-metal silicide electrode structure and process of fabrication thereof

摘要

A semiconductor device having a cobalt niobate-cobalt silicide gate electrode structure is provided. A semiconductor device, consistent with one embodiment of the invention, is formed by forming a cobalt niobate gate insulating layer over the substrate and forming a cobalt silicide layer over the cobalt niobate layer. The cobalt silicide layer and cobalt niobate gate insulating layer may, for example, be selectively removed to form at least one cobalt silicide-cobalt niobate gate electrode structure. The cobalt niobate-cobalt silicide gate electrode structure can, for example, increase the operating speed of the device as compared to conventional transistors.