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Publication Detail
Partial Coherence Effects on the Imaging of Small Crystals using Coherent X-ray Diffraction
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Vatanyants IA, Robinson I
  • Publication date:
    2001
  • Pagination:
    10593, 10611
  • Journal:
    Journal of Physics: Condensed Matter
  • Volume:
    13
  • Print ISSN:
    0953-8984
  • Notes:
    Important development in use of partially coherent X-ray beams
Abstract
Recent achievements in experimental and computationalmethods have opened up the possibility of measuring and inverting the diffraction pattern from a single-crystalline particle on the nanometre scale. In this paper, a theoretical approach to the scattering of purely coherent and partially coherent x-ray radiation by such particles is discussed in detail. Test calculations based on the iterative algorithms proposed initially by Gerchberg and Saxton and generalized by Fienup are applied to reconstruct the shape of the scattering crystals. It is demonstrated that partially coherent radiation produces a small area of high intensity in the reconstructed image of the particle.
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