Fig. 1: Crystal structure and composition of Sr2CuWO6. | Nature Communications

Fig. 1: Crystal structure and composition of Sr2CuWO6.

From: Superexchange-stabilized long-distance Cu sites in rock-salt-ordered double perovskite oxides for CO2 electromethanation

Fig. 1

a Rietveld refinement plot of XRD data and schematic illustrations of crystal structure for Sr2CuWO6. Sr, Cu, W, and O are represented by green, blue, gray, and red dots, respectively. The blue and gray octahedra represent CuO6 and WO6 motifs, respectively. b Schematic illustrations of distances between the probably nearest Cu cations. c HRTEM image of Sr2CuWO6 (scale bar: 10 nm). d Enlarged HRTEM image of Sr2CuWO6 taken from the region marked in (c) (scale bar: 2 nm). e SAED pattern of Sr2CuWO6 (scale bar: 5 1/nm). f EDX mappings of Sr2CuWO6 (scale bar: 100 nm).

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