Abstract
In this study, impact of traps located at SiO 2 /Si interface on the time-dependent dielectric breakdown (TDDB) lifetime is investigated by modeling the Weibull distribution in high-k (HK) dielectric stacks. The results show that the interface traps will cause the distortion of Weibull slope of TDDB lifetime, decreasing the growing rate of the probability of breakdown after a long time.
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