Patent ID: 7250367
Filing Date: 2007-07-31
Classification: C23C,H01L

Abstract:
1. An ALD method comprising: providing a deposition substrate and exposing the substrate to a first precursor including a metal or a semimetal and a plurality of different ligands, a surface reactive ligand of the first precursor exhibiting a chemisorption affinity for the substrate that exceeds the chemisorption affinity exhibited by a gas reactive ligand of the first precursor; chemisorbing a precursor monolayer on the substrate using the first precursor; reacting a second precursor with the precursor monolayer, modifying the precursor monolayer, and yielding a product monolayer consisting essentially of the metal, the semimetal, or an oxide, nitride, silicide, sulfide, or selenide of the metal or semimetal.