Amoruso, Salvatore and Bruzzese, Riccardo and Ausanio, Giovanni and Lanotte, Luciano (2007) Laser-induced modification of the size distribution of nanoparticles produced during ultrashort laser ablation of solid targets in vacuum. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Date Deposited: 20 Oct 2010 08:34
Last Modified: 30 Apr 2014 19:42


We demonstrate that the average size and the size distribution of nanoparticles produced by ultrashort laser ablation in vacuum can be modified by irradiation of the nanoparticles’ plume during its vacuum expansion with a nanosecond, UV laser pulse. The experimental results are interpreted by means of a simple analytical model of the laser–particle interaction, heating and vaporization. This technique thus shows to be a simple and generalway to control, in vacuum, the average size and distribution of nanoparticles of different elements.

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