Fundamentals of layered nanoparticle covered pyramidal structures formed on nickel during femtosecond laser surface interactions

Craig A. Zuhlke, Troy P. Anderson, Dennis R. Alexander

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

The formation of nanoparticle covered pyramidal structures using femtosecond laser pulses with a fluence near the ablation threshold is reported for the first time. These unique structures form through a combination of preferential ablation of flat regions around the pyramids and redeposition of nanoparticles created during the ablation process. The structures are demonstrated on nickel and stainless steel 316. When produced by rastering Gaussian pulses across the sample, layers of nanoparticles join together by sintering to form unique layered shells.

Original languageEnglish (US)
Pages (from-to)648-653
Number of pages6
JournalApplied Surface Science
Volume283
DOIs
StatePublished - Oct 15 2013

Keywords

  • Femtosecond phenomena
  • Laser processing
  • Microstructuring
  • Nanostructuring

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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