Importance

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Abstract

An electronic device and a process for manufacturing the same are disclosed. In one aspect, the device comprises an electrode comprising a metal compound selected from the group of tantalum carbide, tantalum carbonitride, hafnium carbide and hafnium carbonitride. The device further comprises a high-k dielectric layer of a hafnium oxide comprising nitrogen and silicon, the high-k dielectric layer having a k value of at least 4.0. The device further comprises a nitrogen and/or silicon and/or carbon barrier layer placed between the electrode and the high-k dielectric layer. The nitrogen and/or silicon and/or carbon barrier layer comprises one or more metal oxides, the metal of the metal oxides being selected from the group of lanthanides, aluminium or hafnium.

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First Claim