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Ion-irradiation-induced amorphization of Cu nanoparticles embedded in SiO 2

Johannessen, Bernt; Kluth, Patrick; Llewellyn, David; Foran, Garry J; Cookson, D J; Ridgway, Mark C


Elemental Cu nanoparticles embedded in SiO2 were irradiated with 5 MeV Sn3+. The nanoparticle structure was studied as a function of Sn3+ fluence by extended x-ray absorption fine structure spectroscopy, small-angle x-ray scattering, and transmission electron microscopy. Prior to irradiation, Cu nanoparticles exhibited the face-centered-cubic structure. Upon irradiation at intermediate fluences (1× 1013 to 1× 1014 ions cm2), the first nearest neighbor Cu-Cu coordination number decreased, while...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Physical Review B
DOI: 10.1103/PhysRevB.76.184203


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