Damage processes in ruthenium thin films induced by ultrashort laser pulses

Igor Dmitrievich Milov

Research output: ThesisPhD Thesis - Research UT, graduation UT

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The research performed in this thesis aims to understand the fundamental processes occurring in matter exposed to high doses of laser radiation on ultrashort time scale, and eventually leading to severe material damage. More specifically, ruthenium (Ru) thin films irradiated with femtosecond optical, XUV and hard X-ray laser pulses were studied. An experimental as well as a theoretical analysis were performed with the focus on the latter. A comprehensive hybrid modeling scheme has been developed, enabling simulations of the full timescale evolution of a metal exposed to ultrashort pulses in a wide range of fluence and energy of the incident photons.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • University of Twente
  • Bijkerk, Fred, Supervisor
  • Louis, Eric, Co-Supervisor
  • Makhotkin, Igor A., Co-Supervisor
Award date9 Sep 2020
Place of PublicationEnschede
Print ISBNs978-90-365-5053-6
Publication statusPublished - 9 Sep 2020


  • laser ablation
  • free-electron laser
  • extreme ultraviolet
  • thin films
  • ruthenium
  • Two-temperature model
  • Two-temperature hydrodynamics
  • molecular dynamics
  • Monte Carlo


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