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Title: Characterization of nanostructured spinel NiFe<inf>2</inf>O<inf>4</inf> obtained by soft mechanochemical synthesis
Authors: Lazarević Z.
Jovalekić C.
Sekulić D.
Slankamenac M.
Romčević M.
Milutinović, Aleksandra 
Romčević N.
Issue Date: 21-Dec-2012
Journal: Science of Sintering
Abstract: Powdery nickel ferrite, NiFe2O4 has been obtained by soft mechanochemical synthesis in a planetary ball mill. Ni(OH)2 and Fe(OH)3 are used as initial compounds. This mixture was mechanically activated for 25h, uniaxial pressed and sintered at 1100°C for 2h. The phase composition of the sintered sample was analyzed by X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and Raman spectroscopy. Morphologies were examined by scanning electron microscopy (SEM). The electrical DC/resistivity/conductivity at different temperatures was measured using a Source Meter Keithley 2410. An Impedance/Gain-Phase Analyzer (HP-4194) was used to measure the impedance spectra (100Hz - 10MHz) at different temperatures.
ISSN: 0350820X
DOI: 10.2298/SOS1203331L
Appears in Collections:Naučne i umetničke publikacije

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