Title: Impact of charge trapping on the voltage acceleration of TDDB in metal gate/high-k n-channel MOSFETs
Abstract: The root cause for the increase in the TDDB voltage acceleration with decreasing stress voltage in metal gate/high-k n-channel FETs is investigated. Using DC and AC stress methodologies, the effect could be linked to charge trapping in the high-k gate dielectric. Furthermore, a correction for charge trapping is proposed, which results in a single power law voltage dependence for all stress conditions.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 27
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