Article ID Journal Published Year Pages File Type
9818050 Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2005 6 Pages PDF
Abstract
Interference effects analogous to Young's two-slit experiment are observed in the spectra of electrons ejected coherently from multiple atomic centers. The oscillatory structures are found to exhibit variations in the oscillation frequency with electron observation angle and projectile velocity in general agreement with predictions of the Born approximation. In addition to the main oscillatory structure, second-order oscillations with ∼3 times higher frequency superimposed on the main structure are observed. These latter oscillations are attributed to intramolecular scattering and have no analogy in Young's experiment. Furthermore, the normalized ratios show evidence for still higher-frequency oscillations (by a factor of ∼20) superimposed on the second-order structures.
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