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Generation of titanium-oxide nanoparticles in liquid using a high-power, high-brightness continuous-wave fiber laser

Generation of titanium-oxide nanoparticles in liquid using a high-power, high-brightness continuous-wave fiber laser

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Authors

  • A. Abdolvand
  • S.Z. Khan
  • Y. Yuan
  • P.L. Crouse
  • M.J.J. Schmidt
  • Lin Li
  • Zhu Liu
  • M. Sharp

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Info

Original languageEnglish
Pages (from-to)365-368
Number of pages4
JournalApplied Physics A: Materials Science & Processing
Volume91
Issue number3
DOIs
StatePublished - 2008

Abstract

Previous studies on laser-assisted nanomaterial formation in liquids have focused on using pulsed laser ablation of metals. We report, for the first time to our knowledge, the fabrication of nanoparticles via high-power high-brightness continuous-wave fiber laser ablation of titanium in liquids. Analysis revealed the generation of spherical nanoparticles of titanium-oxide ranging mainly between 5 nm and 60 nm in diameter. A mechanism of formation for crystallized nanoparticles, based on the self-organized pulsations of the evaporated metal, is proposed. This may account for the observed substantial efficiency gain owing to the high average power and brightness of the source.

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