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- Title
Theoretical Approach to Analysis of X-Ray Grazing-Incidence Diffraction from 2D Crystals.
- Authors
Chuev, M. A.; Prutskov, G. V.; Novikova, N. N.; Pashaev, E. M.; Konovalov, O. V.; Stepina, N. D.; Rogachev, A. V.; Yakunin, S. N.
- Abstract
A theoretical formalism for quantitative description of X-ray diffraction from Langmuir monolayers under conditions of total external reflection has been developed. The proposed approach, based on the distorted-wave approximation, allows to consider physical mechanisms for plotting diffraction curves and maps (in the reciprocal space) for real monolayers and describe self-consistently specific features of Bragg peaks. The resulting algorithm can easily be implemented on a personal computer, which provides the opportunities to carry out numerical simulation of experimental two-dimensional diffraction intensity maps and determine reliably both the mean values of structural parameters of layers and their rms deviations.
- Subjects
X-ray diffraction; ALGORITHMS; PERSONAL computers; CRYSTALS; COMPUTER simulation
- Publication
Crystallography Reports, 2020, Vol 65, Issue 5, p772
- ISSN
1063-7745
- Publication type
Article
- DOI
10.1134/S1063774520050041