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The results are reported of an experimental study of the hot carrier (HC) and bias-temperature-instability (BTI) reliability of MuGFETS, fabricated on SOI wafers with silicon oxide and silicon nitride buried layers. N- and P-channel devices of 65 nm long and 42 nm or 32 nm wide channels were stressed and measured at room temperature and at 125degC. A complicated picture emerges: HC degradation is...
This paper analyzes the drain breakdown voltage of multigate MOSFETs and the influence of parameters such as doping concentration, fin width, and gate length. The good electrostatic control of the active area by the multigate structure improves the drain breakdown voltage, which increases as the fin width is decreased. Increasing the channel doping concentration improves the drain breakdown voltage...
The origin of the large Vt shift observed in planar FDSOI is the creation of negative charge states in the BOX by F implant. F implant is a suitable approach for planar FDSOI SoC integration with single WF metal gate, but NOT for MuGFETs. F implant degrades electron mobility and the degradation is a function of F dose. The hole mobility is unaffected by F implant.
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