MATEC Web Conf.
Volume 197, 2018The 3rd Annual Applied Science and Engineering Conference (AASEC 2018)
|Number of page(s)||3|
|Published online||12 September 2018|
Laser induced ablation of aluminum nanoparticle: a molecular dynamics study
State University of Jakarta, Physics Department, Jalan Rawamangun Muka 13220 Jakarta Timur, Indonesia
2 University of Kaiserslautern, Physics Department and Research Center OPTIMAS, Erwin-Schrödinger-Straße 67663 Kaiserslautern, Germany
We investigate ablation of Aluminum nanoparticle due to ultrashort high-intensity laser pulse. Molecular dynamics simulation is used to follow the evolution of the system and observe thermodynamics together with cluster properties. The energy given from the laser to the system is 1.5 eV/atom which is above ablation threshold and modelled using instantaneous and homogenous energization at the beginning of simulation. The evolution of the system shows a highly non-equilibrium state after the irradiation. Expansion of the sphere indicated that the system cannot survive from the temporary high tensile pressure that leads to ablation. While the high temperature consecutively responsible for the formation of cluster, it also indicated that the system is relaxed at the end of the simulation.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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