Fig. 5

(a) X-ray diffraction bulk sample analysis results of samples 1, 3, 7, and 8. (b) X-ray powder diffraction experimental results of samples 16 and 25.

(a) X-ray diffraction bulk sample analysis results of samples 1, 3, 7, and 8. (b) X-ray powder diffraction experimental results of samples 16 and 25.