Electron Scattering Theory
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It is convenient to divide the scattering of fast electrons into elastic and inelastic components. An experimentalist can distinguish between the two on an empirical basis, the term “elastic” being taken to mean that the energy loss to the sample is less than some experimental resolution limit Such a criterion results in electron scattering by phonon excitation being classified as elastic (or quasielastic) if measurements have been made using an electron microscope, where the energy resolution is usually not better than 1 eV.
KeywordsEnergy Loss Elastic Scattering Differential Cross Section Inelastic Scattering Incident Electron
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