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Figure 6
(a) Using the str structure model for kaolinite together with spherical harmonics for preferred orientation corrections, stacking fault modelling, crystallite size broadening and micro-strain broadening. Rwp 8.03%, goodness of fit (GOF) 2.67. (b) Using hkl_Is Pawley fitting and the proposed Ck-corrected DDM calculation [Fig. 7(b)] to quantify the kaolinite KGa-2 in synthetic mixture. Rwp 6.63%, GOF 2.19. (c) Same fitting except MSP QPA equations [Fig. 8(a)] are used. All fits used first-order Chebyshev background.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 4| August 2025| Pages 1159-1173
https://doi.org/10.1107/S1600576725004054
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