In situ atom-resolved tracing of element diffusion in NiAu nanospindles.

Abstract

The structure evolution behaviors of NiAu nanospindles in oxidizing/vacuum conditions were studied by in situ scanning transmission electron microscopy. The spindle structure transforms into Ni@Au@NiO multi-shell structure in the oxidizing atmosphere following an oxidation-driving multilayer reconstruction mechanism. In the vacuum condition, the NiAu… (More)
DOI: 10.1039/c3nr00829k

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