期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 91, 期 3, 页码 365-368出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-008-4448-8
关键词
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资金
- EPSRC [EP/C013352/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/C013352/1] Funding Source: researchfish
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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