Scanning transmission electron microscopy, or STEM, is a powerful imaging technique that enables researchers to study a material’s morphology, composition, and bonding behavior at the angstrom scale.
SEM stands for scanning electron microscope. The SEM is a microscope that uses electrons instead of light to form an image. Since their development in the early 1950's, scanning electron microscopes ...
Scanning electron microscope image of a Pseudomonas aeruginosa bacterium, destroyed by nanopillars, on a cicada wing. Scale bar is 1 micrometer. Credit: Yutao Chen. Disclaimer: AAAS and EurekAlert!
Tim McCoy (right), the Smithsonian’s National Museum of Natural History curator of meteorites and the co-lead author on the new paper, with Cari Corrigan (left) sein a scanning electron microscopy lab ...
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