Patent ID: 6900498

Claim:
A microelectronic structure comprising: at least one layer of high dielectric constant material comprising amorphous dielectric metal oxide having; (i) A voltage independent capacitance, (ii) a capacitance density of from about 1000 to 10,000 nF/cm 2 , and (iii) a current leakage of <10 −7 A/cm 2 ; at least one conductive barrier layer in contact with the layer of high dielectric constant material, wherein such conductive barrier layer comprises at least one material selected from the group consisting of Pt, Ir, IrO 2 , Ir 2 O 3 , Ru, RuO 2 , TaN, NbN, HfN, ZrN, WN, W 2 N, Tin, TiSiN, TiAIN, TaSin, NbAIN, and compatible combinations, mixtures and alloys thereof; at least one metal layer in contact with the conductive barrier layer, wherein said metal layer comprises metal or metal alloy including a material selected from the group consisting of Cu and Al; wherein said at least one conductive barrier layer is between said at least one layer of high dielectric constant material and said at least one metal layer.