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Figure 6
(a) A TEM micrograph of 〈a〉-type dislocation loops in Zircaloy-2 proton-irradiated to 4.7 dpa at 350°C. [Adapted with permission from Harte et al. (2017BB37) under a Creative Commons CC-BY License, https://creativecommons.org/licenses/by/4.0/.] (b) The peak profile of the 10.2 reflection of a Zircaloy-2 specimen proton-irradiated to 4.7 dpa at 350°C on a logarithmic intensity scale. The open circles are the measured data, the solid red line is the CMWP-calculated profile, and the blue dashed–double-dotted line is the CMWP-calculated physical profile without the satellite intensities and without the instrumental effect. (Note that the background is still present in the plotted curves.) The red dashed and the blue dashed–dotted lines are the satellite profiles of the vacancy- and interstitial-type 〈a〉 loops, respectively. The shift in the vacancy-loop satellite relative to the main peak is indicated as ΔKv-SDL = s0gC1/2. The s0 shift parameter and the intensities of the satellite peaks are global values for the entire pattern.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 3| June 2021| Pages 803-821
https://doi.org/10.1107/S1600576721002673
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