In the diffraction of electrons by crystals, the depth sampled by the diffracting electrons is on the
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In the diffraction of electrons by crystals, the depth sampled by the diffracting electrons is on the order of 3 to 10 atomic layers. If He atoms are diffracted from the surface, only the topmost atomic layer is sampled. Can you explain this difference?
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Whereas electrons can penetrate through the topmost ...View the full answer
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