METHOD OF FABRICATING A SEMICONDUCTOR DEVICE

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There is provides a method of fabricating a semiconductor device to decrease contact resistance of source/drain regions and gate electrodes and thereby improve operation performance. The method includes providing an exposed silicon region, forming a rare earth metal silicide film on the exposed silicon region, the rare earth metal silicide film contacting the silicon region, and forming a contact on the rare earth metal silicide film, the contact being electrically connected to the exposed silicon region, wherein the rare earth metal silicide film is formed by simultaneously supplying a rare earth metal and silicon to the exposed silicon region using physical vapor deposition.