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Structural, morphological and EPR investigations on Zn_1-xMn_xO fine ceramics (x = 0.01 and 0.03) are reported. XRD studies reveal a wurzite-type structure, while the formation of ZnMnO₃ secondary phase was evidenced only for x = 0.03 sample. Both EPR spectra present a hyperfine structure specific to isolated Mn²⁺ ions and for the sample x = 0.03, a new quite broad resonance line arises, which could be attributed to a ferromagnetic phase.

Keywords: fine ceramics, XRD, EPR,