Revealing three-dimensional structure of individual colloidal crystal grain by coherent x-ray diffractive imaging
arXiv:1605.09031 · doi:10.1103/PhysRevLett.117.138002
Abstract
We present results of a coherent x-ray diffractive imaging experiment performed on a single colloidal crystal grain. The full three-dimensional (3D) reciprocal space map measured by an azimuthal rotational scan contained several orders of Bragg reflections together with the coherent interference signal between them. Applying the iterative phase retrieval approach, the 3D structure of the crystal grain was reconstructed and positions of individual colloidal particles were resolved. As a result, an exact stacking sequence of hexagonal close-packed layers including planar and linear defects were identified.
8 pages, 5 figures
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- Femtosecond laser produced periodic plasma in a colloidal crystal probed by XFEL radiation
- Structural Study of a Self-Assembled Gold Mesocrystal Grain by Coherent X-ray Diffraction Imaging