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Abstract

Oxidation methods, and resulting structures, comprising providing an oxide layer on a substrate and then re-oxidizing the oxide layer by vertical ion bombardment of the oxide layer in an atmosphere containing at least one oxidant. The oxide layer may be provided over diffusion regions, such as source and drain regions, in a substrate. The oxide layer may overlie the substrate and is proximate a gate structure on the substrate. The at least one oxidant may be oxygen, water, ozone, or hydrogen peroxide, or a mixture thereof. These oxidation methods provide a low-temperature oxidation process, less oxidation of the sidewalls of conductive layers in the gate structure, and less current leakage to the substrate from the gate structure.

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First Claim