The improved immunity of FD SOI technology against short-channel effects has been shown to offer a great interest for subthreshold logic in terms of delay and energy per operation at medium throughputs (108 Op/s). Moreover, the combination of an undoped channel with a metal gate extends this benefit to lower throughputs by a reduction of the minimum functional V/sub dd/ and static energy. This makes FD SOI with metal gate a strong candidate for sub-45 nm robust and energy-efficient subthreshold circuits.
Bol, D., Legat, J.-D., Ambroise, R., & Flandre, D. (2008). Sub-45 nm fully-depleted SOI CMOS subthreshold logic for ultra-low-power applications. Proceedings of the 2008 IEEE International SOI Conference, 57-58. https://doi.org/10.1109/SOI.2008.4656292