Patent ID: 8795771

Claim:
An atomic layer deposition (ALD) process for producing metal containing thin films comprising alternately and sequentially contacting a substrate in a reaction space with vapor phase pulses of at least one volatile metal containing cyclopentadienyl compound and a second reactant at a temperature that is low enough to prevent decomposition of the cyclopentadienyl compound and the second reactant, wherein the metal containing cyclopentadienyl compound comprises a metal with a trivalent oxidation state, wherein said cyclopentadienyl compound does not contain a metal directly bonded to a halide or oxygen atom, and wherein the metal containing cyclopentadienyl compound has the formula: (R 1 R 2 R 3 R 4 R 5 Cp) x -MR 0 z —(NR 1 R 2 ) y wherein M is titanium; wherein each R 1 , R 2 , R 3 , R 4 , R 5 , and R 0 is independently selected from: (i) hydrogen; (ii) linear and branched C 1 -C 20 alkyl, alkenyl and alkynyl groups, which are independently substituted or unsubstituted; (iii) carbocyclic groups, such as aryl, phenyl, cyclopentadienyl, alkylaryl, and halogenated carbocyclic groups; and (iv) heterocyclic groups; and wherein both x and y are ≧1 and z≧0.