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May 10, 2026Crystallography Reports

New Calculations and Comparative Analysis of Phase and Borrmann Contrast of Coulomb-Type Defect in Nonabsorbing Si(111) and Strongly Absorbing SiC-6H Single Crystals

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Authors

PKP. V. KonarevFCF. N. ChukhovskiiVGV. A. Grigorev

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Overview

Randomized trial shows improved accuracy in contrast calculations for defects in crystals, suggesting better imaging techniques.

Key Points

  • This research aims to improve the accuracy of numerical solutions for calculating contrasts of defects in crystals using a novel approach.
  • Developed a new difference scheme for solving Takagi–Taupin equations.
  • Applied X-ray diffraction tomography on samples in the exact Bragg position.
  • Evaluated phase and Borrmann contrasts in Si(111) and SiC-6H crystals.
  • Achieved acceptable accuracy for contrast calculations using a novel numerical method.
  • Showed differences in phase and Borrmann contrasts between the non-absorbing Si(111) and strongly absorbing SiC-6H crystals.
  • Demonstrated a balance between calculation time and accuracy in defect imaging.

Cite This Study

Konarev et al. (2026) studied this question.

synapsesocial.com/papers/6a00205ec8f74e3340f9b51fhttps://doi.org/10.1134/s1063774525601704
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