Abstract

An analytical threshold voltage model for SiGe-channel ultrathin SOI PMOS devices is presented. As confirmed by the PISCES simulation results, the analytical model provides a good prediction on the threshold voltage. According to the analytical-formula, depending on the back gate bias, the SiGe-channel SOI PMOS device may have a conduction channel at the top or the bottom of the SiGe channel or at the top of the field oxide.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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