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The effects of ultrathin EOT on the carrier mobility in bulk-Si, UTBOX-FDSOI and SiGe-QW pFET devices were compared. The mobility is found to decrease dramatically with the EOT (Tinv) as a result of stronger charge and surface roughness scattering at thinner SiOx interface layers irrespective of the device technology. UTBOX-FDSOI and bulk-Si nFETs have identical mobility values (190 cm2/Vs) at Tinv...
In this letter, we investigate the impact of a hybridized strain technology on the performance of FinFET-based multigate field-effect transistors (MUGFETs). The technology combines the use of supercritical strained-silicon-on-insulator (SC-SSOI) and strained contact etch stop layers (CESLs). We will show that SC-SSOI (top plane orientation ) with tensile CESL (tCESL), when used for MUGFET, leads to...
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