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Publication
Journal of Applied Physics
Paper
Effect of oxygen on the diffusion of Ni in Pt in Pt-Ni-Pt films
Abstract
We have studied the effect of oxygen on the diffusion of Ni into Pt in the Pt-Ni-Pt films. Below 400°C, the diffusion rates of Ni into both Pt layers are greatly reduced by oxygen. Above 500°C, however, Ni rapidly mixes with Pt layers, which leads to the formation of Ni oxide on the Pt surface in the presence of oxygen.