Kluth, P.; Giulian, R.; Sprouster, D. J.; Schnohr, C. S.; Byrne, A. P.; Cookson, D. J.; Ridgway, M. C.
The transformation of Aunanoparticles (NPs) embedded in SiO₂ from spherical to rod-like shapes induced by swift heavy ion irradiation has been studied. Irradiation was performed with ¹⁹⁷Au ions at energies between 54 and 185 MeV. Transmission electron microscopy and small angle x-ray scatteringmeasurements reveal an energy dependent saturation width of the NP rods as well as a minimum size required for the NPs to elongate. The NP saturation width is correlated with the ion track diameter in the...[Show more]
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