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. 2022 Dec 5;12:20991. doi: 10.1038/s41598-022-25483-w

Figure 2.

Figure 2

XRD spectra of Mn3O4 and GNA35 crystalline nanomaterials, with some differences in its composition. The stars refer to the peaks that correspond to the pattern showing the diffraction peaks of hausmannite Mn3O4.