Patent ID: 8470402

Claim:
A method of deposition on a substrate, of at least one metal containing dielectric film comprising a compound of the formula (I): (M 1 1-a M 2 a )O b N c , (I) wherein: 0≦a<1, 0<b≦3; 0≦c≦1, M 1 represents a metal selected from hafnium (Hf) and zirconium (Zr); and M 2 represents a metal atom selected from magnesium (Mg), calcium (Ca), zinc (Zn), boron (B), aluminum (A), indium (In), silicon (Si), germanium (Ge), tin (Sn), hafnium (Hf), zirconium (Zr), titanium (Ti), vanadium (V), niobium (Nb), tantalum (Ta); and the Lanthanides atoms, which comprises the following steps: A step a) of providing a substrate into a reaction chamber; A step (b) of vaporizing at least one M 1 metal containing precursor selected from: Zr(MeCp)(NMe 2 ) 3 , Zr(EtCp)(NMe 2 ) 3 , ZrCp(NMe 2 ) 3 , Zr(MeCp)(NEtMe) 3 , Zr(EtCp)(NEtMe) 3 , ZrCp(NEtMe) 3 , Zr(MeCp)(NEt 2 ) 3 , Zr(EtCp)(NEt 2 ) 3 , ZrCp(NEt 2 ) 3 , Zr(iPr 2 Cp)(NMe 2 ) 3 , Zr(tBu 2 Cp)(NMe 2 ) 3 , Hf(MeCp)(NMe 2 ) 3 , Hf(EtCp)(NMe 2 ) 3 , HfCp(NMe 2 ) 3 , Hf(MeCp)(NEtMe) 3 , Hf(EtCp)(NEtMe) 3 , HfCp(NEtMe) 3 , Hf(MeCp)(NEt 2 ) 3 , Hf(EtCp)(NEt 2 ) 3 , HfCp(NEt 2 ) 3 , Hf(iPr 2 Cp)(NMe 2 ) 3 , Hf(tBu 2 Cp)(NMe 2 ) 3 , to form a first gas phase metal source; Optionally a step b′) of vaporizing at least one M 2 metal containing precursor, M 2 being as hereinabove defined; to form an optional second gas phase metal source; A step c) of introducing said first gas phase metal source and said optional second gas phase metal source, in the reaction chamber, in order to provoke their contact with said substrate, to generate the deposition of a metal containing dielectric film comprising a compound of the formula (I) as hereinbefore defined, on said substrate.