| 摘要 |
A semiconductor device according to one embodiment includes: a semiconductor substrate; a gate electrode formed on the semiconductor substrate via a gate insulating film; a first silicide layer formed on the gate electrode; a channel region formed in the semiconductor substrate below the gate electrode; source/drain regions formed in regions in the semiconductor substrate, the regions sandwiching the channel region; and second silicide layers formed on the source/drain regions and having an average grain size smaller than that of the first silicide layer or an average number of compositional boundaries in a crystal grain larger than that of the first silicide layer.
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