| 摘要 |
This disclosure concerns a semiconductor device comprising a semiconductor substrate; a gate dielectric film provided on the semiconductor substrate and containing Hf, Si, and O or containing Zr, Si and O; a gate electrode of an n-channel FET provided on the gate dielectric film, the gate electrode being made of nickel silicide containing nickel at a higher content than silicon; an aluminum layer provided at a bottom portion of the gate electrode of the n-channel FET; and a gate electrode of a p-channel FET provided on the gate dielectric film, the gate electrode being made of nickel silicide containing nickel at a higher content than silicon.
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