Structural, Dielectric and Magnetic Properties of Nanocrystalline Ni-Zn Ferrites

By P. U. Mahamuni, B. K. Chougule



Nanoferrites are more superior to conventional coarse grain ferrite materials and have been the focus of recent studies. A series of nanocrystalline Ni-Zn ferrites with the composition NixZn1-xFe2O4 (where x = 0.2, 0.4, 0.6, 0.8) were prepared by sucrose method. The samples were sintered at 9000C for 12h to densify them properly. The samples were characterized by XRD, TEM and IR spectroscopy. The dielectric constant e’ and dielectric loss tangent (tan d) were measured as a function of frequency and the magnetic properties were measured by using high field hysteresis loop tracer. 


Key Words : Sucrose method, nanocrystalline ferrites, IR spectra, magnetic properties.


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