720 research outputs found
Martin Donner: Äther und Information: Die Apriori des Medialen im Zeitalter technischer Kommunikation
Till A. Heilmann, Jens Schröter (Hg.): Medien verstehen: Marshall McLuhans Understanding Media
Correlated Diffuse X-ray Scattering from Periodically Nano-Structured Surfaces
Laterally periodic nanostructures were investigated with grazing incidence
small angle X-ray scattering. To support an improved reconstruction of
nanostructured surface geometries, we investigated the origin of the
contributions to the diffuse scattering pattern which is correlated to the
surface roughness. Resonant diffuse scattering leads to a palm-like structure
of intensity sheets. Dynamic scattering generates the so-called Yoneda band
caused by a resonant scatter enhancement at the critical angle of total
reflection and higher-order Yoneda bands originating from a subsequent
diffraction of the Yoneda enhanced scattering at the grating. Our explanations
are supported by modelling using a solver for the time-harmonic Maxwell's
equations based on the finite-element method
Steffen Siegel (Hg.): Neues Licht: Daguerre, Talbot und die Veröffentlichung der Fotografie im Jahr 1839
Sybille Krämer (Hg.): Ada Lovelace: Die Pionierin der Computertechnik und ihre Nachfolgerinnen
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