GEORGY SHAFEEV / SCIENCE PHOTO LIBRARY GEORGY SHAFEEV / SCIENCE PHOTO LIBRARY
Titanium crater formed by a laser. Coloured scanning electron micrograph (SEM) of a nanoscale crater formed on a titanium surface by a picosecod laser beam. Titanium is a metal element. This crater was produced during research that involves the use of lasers to etch and ablate metal and semiconductor surfaces. The resulting nanostructures can have applications in various forms of electronics and nanotechnology.
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