𝔖 Bobbio Scriptorium
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Suppressed forward scattering in photoelectron holography

✍ Scribed by T. Greber; J. Osterwalder

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
625 KB
Volume
53
Category
Article
ISSN
0079-6816

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✦ Synopsis

The anisotropic nature of photoelectron source waves may be exploited to suppress forward scattering in photoelectron diffraction. Theoretical simulations show that this is the case for a geometry where the scattered electrons are measured close to a node of the electron source wave. As a consequence the quality of holographic reconstructions from such data improves considerably. The optimum geometry between the excitation source and the electron analyzer is evaluated quantitatively for the case of Mg Ka excited Cls electrons in CO molecules.

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## Abstract Two concepts of X‐ray diffuse scattering holography resulting in local atomic structure are presented. The first one uses the anomalous scattering near the absorption edge of a selected element. The second one is based on the variation of atomic scattering factor due to the isomorphous