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电子学报  2003 

超深亚微米P+栅PMOSFET中NBTI效应及其机理研究

, PP. 2063-2065

Keywords: NBTI效应,PMOSFET,界面态,正氧化层固定电荷

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Abstract:

本文深入研究了P+栅PMOSFET中的NBTI效应,首先通过实验分析了NBTI应力后器件特性及典型参数的退化,基于这些实验结果提出了一种可能的NBTI效应发生机制:即由水分子参与的Si-SiO2界面处的电化学反应.最后从工艺的角度给出了减小和抑制NBTI效应的方法.

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