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The nanocrystalline mixed system 0.90(Fe_2O_3)/-0.10ZnO has been prepared by coprecipitation and calcination processes. The phase composition of samples was determined by X-ray diffraction. The studied nanocrystalline sample is dominated by phase Fe_2O_3 but very small amounts of ZnO and ZnFe_2O_4 phases were also identified. The ferromagnetic resonance investigations of the obtained sample have been...
Fine particles n(MnO)/-(1-n)ZnO (n = 0.05 to 0.95) were prepared by wet chemistry method. According to X-ray diffraction analysis the obtained samples with n = 0.95, 0.90, 0.80, 0.70, 0.60 contained Mn_3O_4 and ZnMn_2O_4 phases, while samples with n = 0.05, 0.10, 0.20, 0.30, 0.40 and 0.50 contained ZnMnO_3 and ZnO phases. The mean crystalline size of ZnMnO_3 varied from 8 to 13 nm. The magnetic resonance...
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