Conformal capacitor structure formed by a single process

Abstract

A capacitor structure is provided that includes conformal layers of a lower electrode, a high-k metal oxide dielectric, and an upper electrode. The capacitor structure is formed by a single process which enables the in-situ conformal deposition of the electrode and dielectric layers of the capacitor structure. The single process includes atomic layer deposition in which a metal-containing precursor is selected to provide each of the layers of the capacitor structure. The lower electrode layer is formed by utilizing the metal-containing precursor and a first reactive gas, the high-k metal oxide dielectric layer is provided by switching the first reactive gas to a second reactive gas, and the upper electrode layer is provided by switching the second reactive gas back to the first reactive gas.

Dependencies are inferred from the claim text.