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A series of spinel ferrites, MnPryFe2−yO4 (y = 0.0, 0.025, 0.05, 0.075, 0.10), has been synthesized by the sol–gel autocombustion method. The structural properties of the prepared sintered powder were characterized by x-ray diffraction and then by using scanning electron microscopy. X-ray diffraction analysis shows that there is only spinel phase at low concentrations of praseodymium ions, while at...
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