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

Materials Science and Engineering

Australian National University
Australian Nuclear Science and Technology Organisation

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

46 Scopus citations

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
State	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.",

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T1 - Energy dependent saturation width of swift heavy ion shaped embedded Au nanoparticles

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.

PY - 2009

Y1 - 2009

N2 - 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.

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.

UR - https://www.scopus.com/pages/publications/63049097617

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DO - 10.1063/1.3099971

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VL - 94

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 11

M1 - 113107

ER -

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

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