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![[Figure 2]](nb5366fig2mag.jpg)
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Figure 2
XRD profile of the 1124 reflection in skew geometry for dislocation half-loops with edge threading arms. Threading dislocation density ρT = 1 × 1010 cm−2, mean length of the misfit segments L = 1 µm, film thickness t = 1 µm. The calculation in the SW approximation (blue line) is compared with the direct calculation by performing a Fourier transform of the correlation function ![[\left\langle\exp\left\{i{\bf Q}\cdot\left[{\bf U}({\bf r}_{2})-{\bf U}({\bf r}_{1})\right]\right\}\right\rangle]](teximages/nb5366fi6.svg){kind=small} . The black curve is a calculation that takes the same computational time as that in the SW approximation, whereas calculation of the orange curve took 103 times longer. |
![[Figure 2]](nb5366fig2.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
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