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Title: Structural, electrical and dielectric properties of spinel nickel ferrite prepared by soft mechanochemical synthesis
Authors: Lazarević Z.
Jovalekić C.
Sekulić, Dalibor
Milutinović, Aleksandra 
Baloš, Sebastian 
Slankamenac M.
Romčević N.
Issue Date: 1-Oct-2013
Journal: Materials Research Bulletin
Abstract: Nickel ferrite, NiFe2O4 was prepared by a soft mechanochemical route from a mixture of (1) Ni(OH)2 and α-Fe2O3 and (2) Ni(OH)2 and Fe(OH) 3 powders in a planetary ball mill for 25 h. The powder samples were sintered at 1100 C for 2 h and were characterized by X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy (SEM). Impedance spectroscopy techniques were used to study the effect of grain and grain boundary on the electrical properties of the prepared samples. A difference in dielectric constant (É) and dielectric loss tangent (tan δ) of NiFe2O4 samples obtained by the same methods but starting from different initial components was observed. © 2013 Elsevier Ltd. All rights reserved.
ISSN: 00255408
DOI: 10.1016/j.materresbull.2013.07.012
Appears in Collections:Naučne i umetničke publikacije

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