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Title: Molecular dynamics simulations studies of laser ablation in metals

An overview of several aspects of our recent molecular dynamics simulations of femtosecond laser ablation is presented. This includes the study of phase diagrams for suitable interactions, analysis of ablated material and bubble formation below threshold, study of two-pulse ablation and the classification of materials with respect to electron properties and electron-phonon coupling in the two-temperature model. A treatment of boundary conditions and of an extended twotemperature model is also included. Most of the results apply to aluminum, others also to copper and iron, and to metals in general.
Authors:
; ; ; ; ; ;  [1]
  1. Institute for Theoretical and Applied Physics, University Stuttgart, Pfaffenwaldring 57/IV, 70550 Stuttgart (Germany)
Publication Date:
OSTI Identifier:
22069149
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1464; Journal Issue: 1; Conference: International symposium on high power laser ablation 2012, Santa Fe, NM (United States), 30 Apr - 3 May 2012; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ABLATION; ALUMINIUM; BOUNDARY CONDITIONS; COPPER; ELECTRON-PHONON COUPLING; IRON; LASER RADIATION; MOLECULAR DYNAMICS METHOD; PHASE DIAGRAMS; PULSED IRRADIATION