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Seconday Electron Imaging
Secondary electrons are low energy electrons (<50eV) ejected from the conduction band of an attom in the sample following interaction with the high energy primary beam. Generally considered to be emitted from the upper <~100 nm of the analytical volume, they are thus well suited to image finely detailed, three dimensional structures.

Calcite

Aragonite

Smelter Soot

Groove in Brass
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