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. 2023 Aug 10;28(16):6005. doi: 10.3390/molecules28166005

Figure 1.

Figure 1

XRD patterns of the Undoped and 10 mol.% RE–doped samples synthesized using a solvothermal process at 200 °C for 24 h (a) before and (b) after calcination in air at 500 °C for 2 h.