Speckle structure in small-angle coherent X-ray scattering

J. Main Ville, F. B. Ley, F. Livet, E. Geissler, J. F. Legrand, D. Abernathy, G. Grübel, S. G.J. Mochrie, M. Sutton

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Abstract

Small-angle coherent X-ray scattering measurements on a polymer gel and on a single crystal of Al-9at.% Li are reported. Speckle structures were recorded using a directillumination CCD camera. A speckle intensity fluctuation of ~20% was observed. Time and space statistics for the signal provided estimates of the coherence effects and the measurements demonstrate the wavevector dependence of the coherence effects. Preliminary intensity-fluctuation spectroscopy was performed for Al-Li.

Original languageEnglish
Pages (from-to)828-832
Number of pages5
JournalJournal of Applied Crystallography
Volume30
Issue number5 PART 2
DOIs
StatePublished - 1997
Externally publishedYes

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