Patent ID: 8669191

Claim:
A method for forming an Ni film which comprises the steps of maintaining a temperature of an Si substrate at a desired level in a vacuum chamber; introducing, into the vacuum chamber, a nickel alkylamidinate (in this organometal compound, the alkyl group is a member selected from the group consisting of a methyl group, an ethyl group, a butyl group and a propyl group), H 2 gas and NH 3 gas; and then forming an Ni film according to a CVD technique, wherein the film-forming temperature is set at a level between higher than 280° C. and not higher than 350° C., and wherein the surface of the Si substrate is pre-treated with H 2 gas, NH 3 gas or a mixed gas comprising H 2 gas and NH 3 gas, prior to the formation of an Ni film.