Fig. 4

XRD patterns of selected particles (a) V1C2T1 (b) V2C1T1 (c) V1C2T2 (d) V1C1T2 (e) V4C2T2 (f) V4C1T2 (g) V3C1T2 (h) V3C2T3 (i) amorph pattern.

XRD patterns of selected particles (a) V1C2T1 (b) V2C1T1 (c) V1C2T2 (d) V1C1T2 (e) V4C2T2 (f) V4C1T2 (g) V3C1T2 (h) V3C2T3 (i) amorph pattern.