Chelating Ligand-Mediated Hydrothermal Synthesis of Samarium Orthovanadate with Decavanadate as Vanadium Source

Figure 1

X-ray diffraction patterns of SmVO₄ nanocrystals obtained (A) under 180°C, with different pH values: (a) EDTA, pH = 4; (b) EDTA, pH = 6; (c) EDTA, pH = 8; (d) EDTA, pH = 10, and (B) under pH = 10, with different temperatures: (a) EDTA, 140°C; (b) EDTA, 160°C; (c) EDTA, 180°C.