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Formation of Metallic Nanowires by Laser Ablation in Liquid Helium

Lebedev, Victor ; Moroshkin, Peter ; Grobety, Bernard ; Gordon, Eugene ; Weis, Antoine

In: Journal of Low Temperature Physics, 2011, vol. 165, no. 3-4, p. 166-176

Formation of metallic nanowires by laser ablation in liquid Helium

Lebedev, Victor ; Moroshkin, Peter ; Grobéty, Bernard ; Gordon, Eugene ; Weis, Antoine

In: Journal of Low Temperature Physics, 2011, vol. 165, no. 3-4, p. 166-176

Laser ablation of metals in liquid helium results in the formation of metal filaments with diameters on the order of 2–10 nanometres and of spherical nanoparticles. In superfluid helium these nanowires aggregate into centimeter-sized networks. We study the morphology and the electric conductivity of these large aggregates, as well as extinction spectra and the crystalline structure of the...