Journal
APPLIED SURFACE SCIENCE
Volume 255, Issue 10, Pages 5574-5578Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2008.08.108
Keywords
Laser treatments; Plasma; Titanium dioxide; Nanoparticles
Categories
Funding
- EGIDE
- Conseil Regional de Bourgogne, France
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Laser treatment of a titanium surface at certain conditions initiates the formation of titanium oxide layers as well as micro (nano) scale powder ejected from the surface of the substrate. The resultant morphology of the surface as well as the size and the structure of the particles are all strongly dependent on the treatment parameters (laser fluence, pulse frequency, overlap parameter, etc.). In this study, titanium substrates were treated with an industrial pulsed Nd:YAG laser in air, with varying parameters. Surface layers and ejected materials were compared using scanning and transmission electron microscopy, X-ray diffraction and Raman spectroscopy. The rutile phase of TiO(2) dominates in the surface layers, while the ejected powder is mainly formed of anatase nanoparticles. (C) 2008 Elsevier B. V. All rights reserved.
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