High work function IrxSi gates on HfAlON p-MOSFETs
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DOI
10.1109/LED.2005.862687
Abstract
We have fabricated the fully silicided IrxSi-gated p-MOSFETs on HfAlON gate dielectric with 1.7-mn equivalent oxide thickness. After 950 degrees C rapid thermal annealing, the fully IrxSi/HfAlON device has high effective work function of 4.9 eV, high peak hole mobility of 80 cm(2)/V.s, and the advantage of being process compatible to the current VLSI fabrication line.