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Everything about Scanning electron microscope

Type of electron microscope

A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition. The electron beam is scanned in a raster scan pattern, and the position of the beam is combined with the intensity of the detected signal to produce an image. In the most common SEM mode, secondary electrons emitted by atoms excited by the electron beam are detected using a secondary electron detector. The number of secondary electrons that can be detected, and thus the signal intensity, depends, among other things, on specimen topography. Some SEMs can achieve resolutions better than 1 nanometer. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Scanning electron microscopeA 5-minute orientation
  2. Skim a recent paper: Quantum-Coherent Light-Electron Interaction in a Scanning Electron MicroscopeInfluential work since 2022
  3. Pick up a classic book: Advances in Electronics and Electron Physics (Advances in Imaging and Electron Physics)The most-reprinted book on the subject
  4. Read the landmark paper: Scanning tunneling microscope combined with a scanning electron microscopeCited 200 times
  5. Go sideways: Environmental scanning electron microscopeA closely related topic
  6. Go sideways: Electron microscopeA closely related topic

📖 Definitions

Noun An electron microscope whose image is made up of a matrix of points from scanning the surface of a sample.

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics