Figure 1
Comparison of how intensity can be extracted via rocking scans or 2D detectors. The sample is a Pt(111) single crystal, measured at hkl = (1, 0, 3.8), energy = 14 keV. (a) Rocking scan made using the 2D detector as a point detector; data are fitted with a combined Voigt profile (orange) and a linear background (green). (b) Small 2D area detector image at hkl = (1, 0, 3.8), the CTR signal is indicated by the red box and a background signal can be taken either side (green boxes). |