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Using molecular dynamics simulation in combination with an embedded atom method potential we analyze the alloying reaction of a Ti-coated Al nanoparticle with equi-atomic fractions and a diameter of about 4.8 nm. The alloying reaction in the nanoparticle occurs mostly as a metastable solid-state alloying process. However, it quickly completes after the melting of the Al-based nanoparticle core. The...
Using molecular dynamics simulation in combination with an embedded atom method potential we analyze the alloying reaction in an Al-coated Ni nanoparticle with equi-atomic fractions and a diameter of about 9.5 nm. The first stage of the alloying reaction is controlled by interdiffusion between the f.c.c. Al-shell and f.c.c. Ni-core. Then, the large driving force for further alloying of Ni and Al promotes...
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