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Swift heavy-ion irradiation-induced shape and structural transformation in cobalt nanoparticles

Sprouster, D. J.; Giulian, R.; Araujo, L. L.; Kluth, P.; Johannessen, B.; Cookson, D. J.; Ridgway, M. C.


The shape and structural evolution of Co nanoparticles embedded in SiO₂ and subjected to swift heavy-ion irradiation have been investigated over a wide energy and fluence range. Modifications of the nanoparticle size and shape were characterized with transmission electron microscopy and small-angle x-ray scattering.Nanoparticles below a threshold diameter remained spherical in shape and progressively decreased in size under irradiation due to dissolution.Nanoparticles above the threshold...[Show more]

CollectionsANU Research Publications
Date published: 2011-06-01
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.3587171


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