Figure 3
From: On the Chemistry and Physical Properties of Flux and Floating Zone Grown SmB6 Single Crystals
(a) Rietveld refinement to synchrotron X-ray diffraction data at T = 295 K collected on Cut 1 of the SmB6 floating zone grown single crystal. The black crosses, red lines and blue lines correspond to the collected data, refined model and difference curve respectively. The higher angle data are multiplied by ×10 (25 ≥ 2Θ ≥ 40) and × 100 (40 ≥ 2Θ ≥ 50) to highlight the quality of the fit. Fits to cuts 2–4 are of similar quality. (b) The refined a-lattice parameter values for cuts 1–4 versus cut number, where this value decreases with cut number. The line serves as a guide to the eye and the error bars are contained within the data points. Additionally, the refined a-lattice parameter value for the polycrystalline feed rod used for the growth of the FZ SmB6 crystal versus cut number (blue dashed line) is shown.
