| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Johannessen, B.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2011Extended x-ray absorption fine structure study of porous GaSb formed by ion implantationcitations
- 2010Ion-irradiation-induced amorphization of cobalt nanoparticlescitations
- 2007Modification of embedded Cu nanoparticlescitations
- 2007Synthesis and characterization of ion-implanted Pt nanocrystals in SiO2citations
- 2007Formation and characterization of nanoparticles formed by sequential ion implantation of Au and Co into SiO2citations
- 2007Ion-irradiation-induced amorphization of Cu nanoparticles embedded in SiO2citations
- 2007Amorphization of embedded Cu nanocrystals by ion irradiationcitations
- 2006Structural stability of Cu nanocrystals in SiO2 exposed to high-energy ion irradiationcitations
- 2006Size-dependent structural disorder in nanocrystalline Cu probed by synchrotron-based X-ray techniquescitations
- 2005EXAFS comparison of crystalline/continuous and amorphous/porous GaSbcitations
- 2005Irradiation induced defects in nanocrystalline Cucitations
- 2005Disorder in Au and Cu nanocrystals formed by ion implantation into thin SiO2citations
Places of action
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article
Modification of embedded Cu nanoparticles
Abstract
<p>Cu nanoparticles (NPs) with an average diameter of ∼25 Å were synthesized in SiO<sub>2</sub> by ion implantation and thermal annealing. Subsequently, the NPs were exposed to ion irradiation at room temperature simultaneously with a bulk Cu reference film. The ion species/energy was varied to achieve different values for the nuclear energy loss. The short-range atomic structure and average NP diameter were measured by means of extended X-ray absorption fine structure spectroscopy and small angle X-ray scattering, respectively. Transmission electron microscopy yielded complementary results. The short-range order of the Cu films remained unchanged consistent with the high regeneration rate of bulk elemental metals. For the NP samples it was found that increasing nuclear energy loss yielded gradual dissolution of NPs. Furthermore, an increased structural disorder was observed for the residual NPs.</p>