{Fig xA Detail of the porous structure |Current research in the solid oxide |The main features that distinguish microwave synthesis from conventional

Structural parameters for LCFCr obtained from Rietveld refined XRD data.LCFCrConventional combustion (method 1)MW—combustion (method 2)MW—sol–gel (method 3)a(Å)5.4540(2)5.4615 (8)5.4476(4)b(Å)7.7158(3)7.7470 (7)7.7194(2)c(Å)5.4544(1)5.4619 AG 555 (7)5.4504(4)La/Ca position 4c:X0.0145(6)0.01959 (7)0.0151(6)Z−0.003(3)−0.003 (1)−0.0062(7)Occ (La/Ca)0.30(1)/0.70(1)0.30(1)/0.70(1)0.30(1)/0.70(1)U?100 (Å2)0.40(3)0.44(4)0.52(2)Fe/Cr position 4b:Occ (Fe/Cr)0.70(1)/0.30(1)0.70(1)/0.30(1)0.70(1)/0.30(1)U?100 (Å2)0.35(2)0.32(3)0.43(2)O(1) position 4c:X0.502(2)0.503(4)0.501(3)Z0.105(2)0.106(4)0.106(4)Occ1.00(1)1.00(1)1.00(1)U?100 (Å2)0.44(2)0.27(3)0.41(5)O(2) position 8d:X0.297(4)0.256(2)0.257(3)Y0.003(4)0.005(3)0.005(2)Z−0.254(3)−0.31(2)−0.30(3)Occ1.00(1)1.00(1)1.00(1)U?100 (Å2)0.33(2)0.27(3)0.41(5)χ20.961.581.74Rwp/Rexp(%/%)4.29/4.372.42/1.962.65/2.01RBragg43.835.11S.G.Pnma: 4c (x1/4z), 4b (0 0 1/2), 8d (xyz)Full-size oxidation tableTable optionsView in workspaceDownload as CSV