2. A reminder of electron-matter interactions
2.1 Electron-matter interactions
When an electron beam of penetrates a solid sample, it undergoes a number of interactions, both elastic and inelastic:
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inelastic interactions cause a progressive loss of its energy :
in part, by transferring electrons from atomic orbitals,
to a lesser extent, by radiative loss;
elastic interactions, mainly with the nucleus, induce more or less abrupt variations in the direction of incident electrons. The result of these interactions is an "electron trajectory"...
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A reminder of electron-matter interactions
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