Analysis of the residual elastic lattice distortion and distribution of dislocation density in structurally inhomogeneous crystals by anomalous transmission of x rays

Igor V. Prokopenko

doi:10.1117/12.218360

1 September 1995 Analysis of the residual elastic lattice distortion and distribution of dislocation density in structurally inhomogeneous crystals by anomalous transmission of x rays

Igor V. Prokopenko

Author Affiliations +

Proceedings Volume 2521, Time-Resolved Electron and X-Ray Diffraction; (1995) https://doi.org/10.1117/12.218360
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

It is shown that contribution to the integrated intensity of x-ray anomalous transmission from the elastic and plastic lattice distortions can be separated. The results of the x-ray investigations allows to determine the dislocation density, relative level and sign of the elastic distortion (lattice curvature) along selected crystallographic directions in a GaAs crystal slab. More detailed confirmation of the method for separation of the lattice distortion and dislocations density contributions to the intensity of x-ray Laue diffraction in high-absorption case was made by investigation of x-ray diffraction integrated intensity as a function of crystal thickness.

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Igor V. Prokopenko "Analysis of the residual elastic lattice distortion and distribution of dislocation density in structurally inhomogeneous crystals by anomalous transmission of x rays", Proc. SPIE 2521, Time-Resolved Electron and X-Ray Diffraction, (1 September 1995); https://doi.org/10.1117/12.218360

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