A semiconductor structure is provided that includes a V.sub.t stabilization layer between a gate dielectric and a gate electrode. The V.sub.t stabilization layer is capable of stabilizing the structure's threshold voltage and flatband voltage to a targeted value and comprises a nitrided metal oxide, or a nitrogen-free metal oxide, with the proviso that when the V.sub.t stabilization layer comprises a nitrogen-free metal oxide, at least one of the semiconductor substrate or the gate dielectric includes nitrogen. The present invention also provides a method of fabricating such a structure.

 
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> Vertical transistor structures having vertical-surrounding-gates with self-aligned features

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