A Reliable and Manufacturable Method to Induce a Stress of GPa on a P-Channel MOSFET in High Volume Manufacturing
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This letter discusses a reliable and manufacturable integration technique to induce greater than 1 GPa of stress into a p-channel MOSFET, which will be required to increase the drive current beyond 1 mA/ m at the sub-90-nm process generation. Uniaxial compressive stress is introduced into the p-channel by both a selective deposition of SiGe in the source/drain and an engineered 2.5-GPa compressively stressed nitride. The highest to date compressively stressed SiN film is obtained by heavy ion bombardment during the deposition of the film.
The article of record as published may be found at http://dx.doi.org/10.1109/LED.2005.862277
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