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Shape transformation of Pt nanoparticles induced by swift heavy-ion irradiation

Giulian, Raquel; Kluth, Patrick; Araujo, Leandro; Sprouster, David; Byrne, Aidan; Cookson, D J; Ridgway, Mark C


Pt nanoparticles (NPs) formed by ion-beam synthesis in amorphous SiO2 were irradiated with Au ions in the energy range of 27-185 MeV. Small-angle x-ray scattering (SAXS) and transmission electron microscopy were used to characterize an irradiation-induced shape transformation within the NPs. A simple yet effective way of analyzing the SAXS data to determine both NP dimensions is presented. A transformation from spherical to rodlike shape with increasing irradiation fluence was observed for NPs...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.78.125413


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