The Irradiation Effects of Metal Gold Surface by Intense Pulsed Ion Beam

Di Wu; Yong Jian Du

doi:10.4028/www.scientific.net/AMR.690-693.2085

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693The Irradiation Effects of Metal Gold Surface by...

The Irradiation Effects of Metal Gold Surface by Intense Pulsed Ion Beam

Abstract:

We report a modification method for Gold target by intense pulsed ion beam (IPIB) irradiation. Based on the temporal and spatial distribution models of the ion beam density detected by Faraday cup in the chamber and the ions accelerating voltage, the energy deposition of the beam ions in Au is calculated by Monte Carlo method. Taking this time-dependent nonlinear deposited energy as the source term of two-dimensional thermal conduction equation, we obtain the temporal and spatial ablation process of metal Au during a pulse time. The top-layer Gold material in thickness of about 0.25μm is ablated by vaporization and the layer in thickness of 1.40μm is melted after one shot at the ion beam density of 300 A/cm2.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

2085-2088

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.2085

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Online since:

May 2013

Authors:

Di Wu, Yong Jian Du

Keywords:

Au, Intense Pulsed Ion Beam, Irradiation, Numerical Method

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