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6 February 2020 Determination of structural heterogeneity of crystals from electron backscatter diffraction images with use of the Fourier energy spectrum
Mariana Borcha, Ihor Fodchuk, Mykola Solodkyi, Serhiy Balovsyak, Yurii Roman, Ivan Hutsuliak
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Proceedings Volume 11369, Fourteenth International Conference on Correlation Optics; 113691I (2020) https://doi.org/10.1117/12.2553974
Event: Fourteenth International Conference on Correlation Optics, 2019, Chernivtsi, Ukraine
Abstract
A new approach for determining the distribution of mean-square deformations in the local regions of single crystals and polycrystals based on the analysis of electron backscatter diffraction images is proposed. The degree of bands blurring in Kikuchi pattern is related with the deformation values, which are quantitatively described through the changes of average radial period and the radial distribution area for the energy spectrum of the image. It is shown that the complex use of the power Fourier spectrum method in addition to the two-dimensional Fourier transform method create additional opportunities for determination of the influence of technological parameters on the structural homogeneity and the degree of perfection of studied crystals.
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Mariana Borcha, Ihor Fodchuk, Mykola Solodkyi, Serhiy Balovsyak, Yurii Roman, and Ivan Hutsuliak "Determination of structural heterogeneity of crystals from electron backscatter diffraction images with use of the Fourier energy spectrum", Proc. SPIE 11369, Fourteenth International Conference on Correlation Optics, 113691I (6 February 2020); https://doi.org/10.1117/12.2553974
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KEYWORDS
Crystals
Diffraction
Diamond
Fourier transforms
Spatial frequencies
Scanning electron microscopy
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