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. 2013 Jul 24;3:2276. doi: 10.1038/srep02276

Figure 5. Perfect single crystals emerging from imperfect interfaces.

Figure 5

(a), Full-width-at-half-maximum (FWHM) of the Ge(115) peak (ΔQx) and tilt (χx) along the Qx direction vs. crystal height. The experimental data are fitted with asymptotic exponential functions, Inline graphic, where a is positive and negative for y = ΔQx and y = χx, respectively (dashed black and blue lines). (b–d), Cross-sections through the Ge(115) peak along Qx at 3 different crystal heights (e.g. I, II and III) depicted in (a). The experimental data are fitted to single Gaussians.