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On the mechanism of the shape elongation of embedded nanoparticles

Amekura, H.; Kluth, Patrick; Mota-Santiago, Pablo; Sahlberg, I.; Jantunen, V.; Leino, A. A.; Vazquez, H.; Nordlund, Kai; Djurabekova, Flyura


The mechanism of the shape elongation of metal nanoparticles (NPs) in silica, which is induced under swift heavy ion irradiation, is discussed with comparing the two candidates: (i) the synergy between the ion hammering and the transient melting of NPs by the inelastic thermal spike and (ii) the thermal pressure and flow model. We show that three experimental results are inconsistent with (i). The latter is supported by two-temperature molecular dynamics simulations, which simulate not only the...[Show more]

CollectionsANU Research Publications
Date published: 2020-07-15
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B
DOI: 10.1016/j.nimb.2020.04.038
Access Rights: Open Access


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