journal article·2013Open access

Compact Oxides Formed on Zinc during Exposure to a Single Sea-Water Droplet

S. Thomas, I. S. Cole, N. Birbilis

Abstract

Compact oxide layers predominantly consisting of zinc oxide naturally grow on zinc upon exposure to a single seawater droplet. SEM and TEM reveal the existence of these oxides beneath the surface, close to the metal surface. EIS demonstrates that these oxides serve as an electrochemical barrier on zinc. The compact oxide immediately above the metal surface is 20–70 nm thick and is undulating in appearance making it difficult to identify crystalline features within. However, the oxide layer above this compact oxide shows a dispersion of a large number of fine-sized voids that cluster in certain areas to form larger voids.
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Research context

OpenAlex topics: Corrosion Behavior and Inhibition · ZnO doping and properties · Gas Sensing Nanomaterials and Sensors

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