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Microelectronic structure including a conductive exotic-nitride barrier layer for high-dielectric-constant material electrodes and method of fabricating the same
Microelectronic structure including a conductive exotic-nitride barrier layer for high-dielectric-constant material electrodes and method of fabricating the same
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机译:包括用于高介电常数材料电极的导电异质氮化物阻挡层的微电子结构及其制造方法
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摘要
A preferred embodiment of this invention comprises an oxidizable layer (e.g. TiN 50), a conductive exotic-nitride barrier layer (e.g. Ti-Al-N 34) overlying the oxidizable layer, an oxygen stable layer (e.g. platinum 36) overlying the exotic-nitride layer, and a high-dielectric-constant material layer (e.g. barium strontium titanate 38) overlying the oxygen stable layer. The exotic-nitride barrier layer substantially inhibits diffusion of oxygen to the oxidizable layer, thus minimizing deleterious oxidation of the oxidizable layer.
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