Patent ID: 8906455

Claim:
A process to deposit silicon nitride or carbon-doped silicon nitride on a substrate in a processing chamber, comprising: a. contacting the substrate with a nitrogen-containing source to absorb at least a portion of the nitrogen-containing source on the substrate; b. purging unabsorbed nitrogen-containing source; c. contacting the substrate with a silicon-containing precursor to react with the portion of the absorbed nitrogen-containing source; and d. purging unreacted silicon-containing precursor; wherein the process is a plasma-enhanced process; and the silicon-containing precursor is monochloroalkylsilane having a general formula of ClSiH x R 1 n R 2 m−x wherein x=1, 2; m=1, 2, 3; n=0, 1, n+m=<3; R 1 is linear, branched or cyclic independently selected from the group consisting of alkyl, alkenyl, alkynyl, and aryl having 1-10 carbon atoms and R 2 is linear, branched or cyclic independently selected from the group consisting of alkyl, alkenyl, alkynyl, and aryl having 2-10 carbon atoms and wherein the silicon-containing precursor in is selected from the group consisting of ClSiEtH 2 , ClSiEt 2 H, ClSi(CH═CH 2 )H 2 , ClSi(CH═CH 2 )MeH, ClSi(CH═CH 2 )EtH, ClSi(CCH)H 2 , ClSi(iso-Pr) 2 H, ClSi(sec-Bu) 2 H, ClSi(tert-Bu) 2 H, ClSi(iso-Pr)H 2 , ClSi(sec-Bu)H 2 , ClSi(tert-Bu)H 2 , and mixtures thereof.