Energy dependent saturation width of swift heavy ion shaped embedded Au nanoparticles

P. Kluth; R. Giulian; D. J. Sprouster; C. S. Schnohr; A. P. Byrne; D. J. Cookson; M. C. Ridgway

doi:10.1063/1.3099971

Energy dependent saturation width of swift heavy ion shaped embedded Au nanoparticles

P. Kluth^*, R. Giulian, D. J. Sprouster, C. S. Schnohr, A. P. Byrne, D. J. Cookson, M. C. Ridgway

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

Abstract

The transformation of Au nanoparticles (NPs) embedded in SiO₂ from spherical to rod-like shapes induced by swift heavy ion irradiation has been studied. Irradiation was performed with A 197 u ions at energies between 54 and 185 MeV. Transmission electron microscopy and small angle x-ray scattering measurements 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 SiO₂. NP melting and in-plane strain in the irradiated SiO₂ are discussed as potential mechanisms for the observed deformation.

Original language	English
Article number	113107
Journal	Applied Physics Letters
Volume	94
Issue number	11
DOIs	https://doi.org/10.1063/1.3099971
Publication status	Published - 2009

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abstract = "The transformation of Au nanoparticles (NPs) embedded in SiO2 from spherical to rod-like shapes induced by swift heavy ion irradiation has been studied. Irradiation was performed with A 197 u ions at energies between 54 and 185 MeV. Transmission electron microscopy and small angle x-ray scattering measurements 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 SiO2. NP melting and in-plane strain in the irradiated SiO2 are discussed as potential mechanisms for the observed deformation.",

author = "P. Kluth and R. Giulian and Sprouster, {D. J.} and Schnohr, {C. S.} and Byrne, {A. P.} and Cookson, {D. J.} and Ridgway, {M. C.}",

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AU - Kluth, P.

AU - Giulian, R.

AU - Sprouster, D. J.

AU - Schnohr, C. S.

AU - Byrne, A. P.

AU - Cookson, D. J.

AU - Ridgway, M. C.

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AB - The transformation of Au nanoparticles (NPs) embedded in SiO2 from spherical to rod-like shapes induced by swift heavy ion irradiation has been studied. Irradiation was performed with A 197 u ions at energies between 54 and 185 MeV. Transmission electron microscopy and small angle x-ray scattering measurements 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 SiO2. NP melting and in-plane strain in the irradiated SiO2 are discussed as potential mechanisms for the observed deformation.

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ER -

Energy dependent saturation width of swift heavy ion shaped embedded Au nanoparticles

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