Patent ID: 8206784
Filing Date: 2012-06-26
Classification: C07F,C23C

Abstract:
1. A method of forming a metal-containing material on a substrate, wherein the metal comprises at least one metal selected from among barium and strontium, said method comprising contacting the substrate with a vapor of a precursor composition, to deposit said metal on the substrate from said vapor, wherein the precursor composition includes a compound of the formula M(Cp) 2 , wherein M is strontium or barium, and wherein Cp is cyclopentadienyl of the formula wherein each of R 1 -R 5 is the same as or different from one another, with each being independently selected from among hydrogen, C 1 -C 12 alkyl, C 1 -C 12 amino, C 6 -C 10 aryl, C 1 -C 12 alkoxy, C 3 -C 6 alkylsilyl, C 2 -C 12 alkenyl, R 1 R 2 R 3 NNR 3 , wherein R 1 , R 2 and R 3 may be the same as or different from one another and each is independently selected from hydrogen and C 1 -C 6 alkyl, and pendant ligands including functional group(s) providing further coordination to metal center M, wherein R 1 -R 5 are not simultaneously H, and wherein the precursor composition further includes a solvent medium selected from the group consisting of xylene and tetrahydronaphthalene, wherein R 1 -R 5 are not all simultaneously methyl when the solvent medium is xylene and the metal M is strontium, wherein three of R 1 -R 5 are not isopropyl when the remaining two are H, and wherein the compound is not complexed with adduct-forming groups.