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Figure 9
(a) Diamond-shaped SAXS pattern from a solution-spun polyacrylo­nitrile (PAN). (b) Propeller-shaped pattern from a gel-spun PAN fiber. (c) Fan-shaped diffraction pattern from micro-voids in oriented bundles of γ-irradiated polyacrylo­nitrile-based carbon fibers. Linear fitting of the linearized intensity plot for (d) the diamond-like pattern shown in (a), and a superposition of two implied ellipses (e) for the propeller-like pattern shown in (b). (f) Illustration of how the misorientation-dominated fan pattern arises. In these figures, Sx and Sz correspond to x and zo in equations (1[link]) and (2[link]) and Fig. 8[link]. (a), (b), (d) and (e) Reproduced from Wang et al. (2012BB46). (c) Reproduced from Feng et al. (2018BB12) with permission from the Royal Society of Chemistry.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 4| August 2024| Pages 1127-1136
https://doi.org/10.1107/S1600576724004503
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