Fig. 4: XRD patterns obtained after drying the as-synthesized samples at 500 °C for 3 h.
From: Rare earth metals production using alternative feedstock that eliminates HF
The X-ray diffraction (XRD) pattern obtained by heating as-synthesized powders of NNF-A (black plot), NNF-C (red plot), and NNF-N (blue plot) at 500 °C for 3 h shows three phases for each of the samples. The open circle, solid square, and open square symbols correspond to β-NaNdF4, NdF3, and NaF phases, respectively. NNF-A, sample synthesized using the acetate precursor; NNF-C, sample synthesized using the chloride precursor; NNF-N, sample synthesized using the nitrate precursor.
