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Figure 2
(a) Peak shapes of the most intense reflection 110 from LaB6 at Q ≃ 2.14 Å−1 measured at different beamlines. (b) The square root of FWHM of the LaB6 peak profiles as a function of Q, which were computed by the TCH parameters refined by the Le Bail method. The vertical grey line at Q = 25 Å−1 and the horizontal grey line at (FWHM)1/2 = 0.27 Å−1/2  represent the minimum Q range and Q resolution, respectively, required for dual-space-quality total-scattering data. Data were collected at three different beamlines: P02.1 and P21.1 at PETRA III, and BL44B2 at SPring-8. PE and the following numbers denote a Perkin–Elemer area detector and the sample-to-detector distances, respectively. Experimental details such as X-ray wavelengths, capillary type and beam dimensions can be found in Table S1 in the Supporting information.

Volume 8| Part 3| May 2021| Pages 387-394
ISSN: 2052-2525