Scanning Electron Microscope

A type of electron microscope that images a sample by scanning it with a high-energy beam of electrons in a raster scan pattern.

Electron Channelling Patterns

A pattern formed by the periodic backscattering of electrons by the specimen lattice in a SEM. Allows determination of crystal structure and lattice parameters in crystals >20 micrometers diameter.

See also: Chemical Analysis, Electron Microscope, Transmission Electron Microscope.

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Subjects: Instrumentation