Volume 96, Number 5, December 2011
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||22 November 2011|
Dynamic mechanism of the velocity splitting of ablated particles produced by pulsed-laser deposition in an inert gas
College of Physics Science and Technology, Hebei University - Baoding 071002, PRC
2 Faculty of Engineering and Technology, University of Gezira - Wad Madani, P.O. Box 20, Sudan
Accepted: 17 October 2011
The transport dynamics of ablated particles produced by pulsed-laser deposition in an inert gas is investigated via the Monte Carlo simulation method. The splitting mechanism of ablated particles is discussed by tracking every ablated particle with their forces, velocities and locations. The force analysis demonstrates that whether the splitting appears or not is decided by the releasing way of the driving force acting on the ablated particles. The “average” drag force, which is related to the mass and radius of the ambient gas, determines the releasing way of the driving force. Our simulated results are approximately in agreement with the previous experimental data.
PACS: 52.38.Mf – Laser ablation / 52.25.Fi – Transport properties
© EPLA, 2011
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