ATOMISTIC SIMULATION OF LASER ABLATION OF GOLD: THE EFFECT OF ELECTRONIC PRESSURE

VV Stegailov and SV Starikov and GE Norman, SHOCK COMPRESSION OF CONDENSED MATTER - 2011, PTS 1 AND 2, 1426 (2012).

DOI: 10.1063/1.3686424

An atomistic model of ablation is developed that reveals the ultra-low threshold fluence values of this process to be an effect of the high electronic pressure build-up and the comparatively low electron-ion energy relaxation rate in gold. The calculated ablation depth as a function of irradiation fluence is in good agreement with the experimental data.

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