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Ernst.2019slr

Maximilian Lasserus, Daniel Knez, Martin Schnedlitz, Andreas W. Hauser, Ferdinand Hofer, Wolfgang E. Ernst. On the passivation of iron particles at the nanoscale. Nanoscale Advances, 1(6):2276-2283, 2019.

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Abstract

{The oxidation of Fe@Au core@shell clusters with sizes below 5 nm is studied via high resolution scanning transmission electron microscopy. The bimetallic nanoparticles are grown in superfluid helium droplets under fully inert conditions, avoiding any effect of solvents or template structures, and deposited on amorphous carbon. Oxidation resistivity is tested by exposure to oxygen at ambient conditions. The passivating effect of Au-shells is studied in detail and a critical Au shell thickness is determined which keeps the Fe core completely unharmed. Additionally, we present the first synthesis of Fe@Au@Fe-oxide onion-type structures.}

Keywords

[ Core-shell ] [ Nanoparticles ]

BibTex Reference

@article{Ernst.2019slr,
   Author = {Lasserus, Maximilian and Knez, Daniel and Schnedlitz, Martin and Hauser, Andreas W. and Hofer, Ferdinand and Ernst, Wolfgang E.},
   Title = {{On the passivation of iron particles at the nanoscale}},
   Journal = {Nanoscale Advances},
   Volume = {1},
   Number = {6},
   Pages = {2276--2283},
   Year = {2019}
}

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