| 摘要 |
Disclosed is a semiconductor device comprising a semiconductor substrate having isolation regions a p-type MIS transistor comprising a pair of source/drain regions formed in the semiconductor substrate, a gate insulating film formed on the semiconductor substrate, and a gate electrode formed on the gate insulating film and having a first metal layer at least at the gate electrode/gate insulator interface, and an n-type MIS transistor comprising a pair of source/drain regions formed in the semiconductor substrate, a gate insulating film formed on the semiconductor substrate, and a gate electrode formed on the gate insulating film and having a boride layer of the first metal at least at an interface thereof with the gate insulating film.
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