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Abstract

Steps are taken to ensure that the bulk dielectric layer exhibits a crystalline phase before the deposition of a second electrode layer. The crystalline phase of the bulk dielectric layer facilitates the crystallization of the second electrode layer at lower temperature during a subsequent anneal treatment. In some embodiments, one or more interface layers are inserted between the bulk dielectric layer and the first electrode layer and/or the second electrode layer. The interface layers may act as an oxygen sink, facilitate the crystallization of the electrode layer at lower temperature during a subsequent anneal treatment, or provide barriers to leakage current through the film stack.

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First Claim