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. 2019 May 3;9:6894. doi: 10.1038/s41598-019-43388-z

Figure 1.

Figure 1

(a) XRD patterns of the ZOM1, ZOM2 and ZHNMn samples indexed according to the ZnO and Zn5(OH)8(NO3)2·2H2O structures, respectively. Only the main peaks are indicated for the ZHNMn sample. (b) XRD patterns of the ZHNMn sample, as-prepared (RT) and after isochronal annealing at the indicated temperatures. The ZnO phase is marked with open circles, while the Zn3(OH)4(NO3)2 phase is marked with stars.