Abstract
Solid-state dewetting in Ni/Au bi-layer films was used to fabricate Ni–Au alloy nanoparticles. Due to the limited solubility between Au and Ni, the individual particles contain both, an Au-rich phase and a Ni-rich phase. The shape of the particles can be complex and is temperature-dependent. There is a change in texture after annealing, and this is probably related to the relaxation of strain energy induced by alloying or dewetting.
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