Coherent x-ray imaging of defects in colloidal crystals
Publication date
2010
Authors
Gulden, J.
Yefanov, O. M.
Mancuso, A. P.
Abramova, V.V.
Hilhorst, J.
Byelov, Dmytro V.
Snigireva, I.
Snigirev, A.
Petukhov, A.V.
Vartanyants, I. A.
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Abstract
Coherent x-ray diffractive imaging (CXDI) was applied to reveal the structure of colloidal crystals. The colloidal sample was illuminated by a coherent x-ray beam through a 7 μm pinhole aperture. The resulting diffraction patterns contain several Bragg peaks and an additional interference structure between the peaks due to the coherent illumination of a finite part of the sample. The inversion of these diffraction patterns reveals the arrangement of colloidal particles in a face-centered cubic (fcc) lattice as well as defects in the form of stacking faults in the (111) planes.
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Gulden, J, Yefanov, O M, Mancuso, A P, Abramova, V V, Hilhorst, J, Byelov, D, Snigireva, I, Snigirev, A, Petukhov, A V & Vartanyants, I A 2010, 'Coherent x-ray imaging of defects in colloidal crystals', Physical Review B - Condensed Matter and Materials Physics, vol. 81, no. 22, pp. 224105/1-224105/6. https://doi.org/10.1103/PhysRevB.81.224105