Title: Analysis of stacking order and disorder by continuous Fourier transformation of diffracted intensities. Example: ß'1 Cu-Al Martensite
Authors: Van der Perre, Georges
Deruyttere, A #
Issue Date: Feb-1980
Publisher: Blackwell Publ Ltd
Series Title: Journal of Applied Crystallography vol:13 issue:1 pages:65-73
Abstract: The continuous Fourier transformation of I(h3) (h3 = 0,1) is proposed as a method for the analysis of the stacking sequence in close-packed structures. By this method, the diffraction pattern is directly translated into autocorrelation parameters P0n, P+n, P-n of the stacking sequence. It applies to periodic stacking sequences, for which the Fourier coefficients can be analysed in terms of the Zdhanov symbol, as well as to faulted stacking sequences, where the Fourier coefficients can be analysed in terms of faulting probabilities. In the work reported, the method proposed is applied to powder diffraction data from [beta]'1 Cu-Al martensite. The stacking sequence in the martensite investigated can be dealt with as statistical, with Reichweite s = 3, and faulting parameters [alpha] = 0.18, [beta] = 0.54. There is reasonably good agreement between the experimentally measured Fourier coefficients and the Fourier coefficients calculated from the above mentioned [alpha] and [beta] values.
ISSN: 0021-8898
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biomechanics Section
# (joint) last author

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