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A scanning tunneling microscope (STM) is an instrument for imaging surfaces at the atomic level.Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer (at IBM Zuerich), zÃ¼rich The Nobel prize In physics in. 1986he resolution of an image is limited by the radius of curvature of the scanning tip of the STM. Additionally, image artifacts can occur if the tip has two tips at the end rather than a single atom; this leads to âdouble-tip imaging,â a situation in which both tips contribute to the tunneling.
Scanning electron microscopy (SEM) is the technology behind many of the images in the lab's calendars and exhibits. â , Smithsonian, Scientists Make Art From Objects Invisible to the Naked Eye, 28 Feb. 2017. They were awarded for inventing atomic force microscopy and developing practical uses for it.