Singularities of Silicon Surface Nanostructuring due to Ultrafast Heating in Water by a Femtosecond Laser Pulse
Journal Article
·
· Technical Physics Letters
- Joint Institute for High Temperatures of the Russian Academy of Sciences (Russian Federation)
Silicon surface morphology induced by a femtosecond laser pulse at near-threshold fluences in water environment is investigated by means of atomic-force microscopy (AFM). With increasing fluence, the silicon surface transforms into nanoscale ring-shaped and blister structures, as well as smooth and nanostructured microcraters with a minimum depth of 1 nm. The formation of starlike patterns imprinted at the surface of microcraters at fluences above the ablation threshold is observed.
- OSTI ID:
- 22786355
- Journal Information:
- Technical Physics Letters, Vol. 44, Issue 7; Other Information: Copyright (c) 2018 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7850
- Country of Publication:
- United States
- Language:
- English
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