Patent ID: 7557229

Claim:
A composition of matter that is a volatile metal(III) tris(amidinate) represented by the general formula or oligomers thereof, wherein the metal M″ is selected from lanthanum, praseodymium and the other lanthanide metals, yttrium, scandium, titanium, vanadium, chromium, iron, ruthenium, cobalt, rhodium, iridium, and bismuth, and wherein R 1 , R 1′ , R 1″ , R 2 , R 2′ , and R 2″ independently represent alkyl groups, alkenyl groups, alkynyl groups, trialkylsilyl groups, or other non-metal atoms or groups that are not aryl, and R 3 , R 3′ , and R 3″ independently represent hydrogen, alkyl groups, alkenyl groups, alkynyl groups, trialkylsilyl groups, or other non-metal atoms or groups that are not aryl.