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3328 results about "High dielectric permittivity" patented technology

Nitrogen profile engineering in nitrided high dielectric constant films

A method of forming a nitrided high-k film by disposing a substrate in a process chamber and forming the nitrided high-k film on the substrate by a) depositing a nitrogen-containing film, and b) depositing an oxygen-containing film, wherein steps a) and b) are performed in any order, any number of times, so as to oxidize at least a portion of the thickness of the nitrogen-containing film. The oxygen-containing film and the nitrogen-containing film contain the same one or more metal elements selected from alkaline earth elements, rare earth elements, and Group IVB elements of the Periodic Table, and optionally aluminum, silicon, or aluminum and silicon. According to one embodiment, the method includes forming a nitrided hafnium based high-k film. The nitrided high-k film can be formed by atomic layer deposition (ALD) or plasma-enhanced ALD (PEALD).
Owner:TOKYO ELECTRON LTD
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