Technical Physics Letters

, Volume 32, Issue 9, pp 809–812 | Cite as

Theory of X-ray diffraction on a lateral crystal with elastically bent lattice planes

  • V. I. Punegov
  • S. I. Kolosov
  • K. M. Pavlov


A theory of X-ray diffraction on a lateral crystal with elastically bent lattice planes is developed within the framework of the kinematic approximation. Analytical solutions for coherent and diffuse scattering are obtained in application to high-resolution triple-axis diffractometry. The angular distribution of the intensity of coherent and diffuse scattering near a node of the reciprocal lattice are numerically simulated. It is shown that the pattern of X-ray diffraction from a crystal with a trapezoidal cross section and elastically bent lattice planes has a “butterfly” shape that was previously observed in experiment.

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Copyright information

© Pleiades Publishing, Inc. 2006

Authors and Affiliations

  • V. I. Punegov
    • 1
    • 2
  • S. I. Kolosov
    • 2
  • K. M. Pavlov
    • 3
  1. 1.Komi Scientific Center, Ural DivisionRussian Academy of SciencesSyktyvkar, Komi RepublicRussia
  2. 2.Syktyvkar State UniversitySyktyvkar, Komi RepublicRussia
  3. 3.Center for Synchrotron Science, School of PhysicsMonash UniversityMelbourneAustralia

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