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http://dx.doi.org/10.4283/JMAG.2014.19.2.101

Effect of Preparation on Structure and Magnetic Properties of ZnFe2O4  

Niyaifar, Mohammad (Department of Physics, Science and Research Branch, Islamic Azad University)
Publication Information
Journal of Magnetics / v.19, no.2, 2014 , pp. 101-105 More about this Journal
Abstract
In this work, Zinc ferrite nanoparticles have been prepared by various methods, conventional (ZC), mechanochemical processing (ZM) and Sol-Gel (ZS) method, to compare their structural and magnetic properties. The cation distribution obtained from XRD shows the degrees of inversions are 4%, 14.8%, and 16.4% from the normal $ZnFe_2O_4$ structure. Fourier transform infrared spectroscopy (FT-IR) confirms changes in cation distribution of $ZnFe_2O_4$ fabricated by sol-gel and mechanochemical processing. The $^{57}Fe$ M$\ddot{o}$ssbauer spectra of the samples were recorded at room temperature. The spectra exhibit a line broadening. The magnetic properties of the samples were studied by vibration sample magnetometer (VSM) at room temperature and the results show that the sample ZM has ferrimagnetic behaviour.
Keywords
zinc ferrite; cation distribution; mossbauer spectroscopy; preparation methods;
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