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S. C. Watawe, S. Keluskar, Gonbare and R. B. Tangsali, “Preparation and Magnetic Properties of Cadmium Substituted Lithium Ferrite Using Microwave Induced Combustion,” Thin Solid Films, Vol. 505, No. 1-2, May 2006, pp. 168-172. doi:org/10.1016/j.tsf.2005.10.032s

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• TITLE: Effect of Oxalate Precursor Formation Temperature on Magnetic Properties of Nicuzn Ferrites

  AUTHORS: Neelam S. Shinde, Sujata S. Khot, Bhimrao P. Ladgaonkar, Bharat B. Kale, Sanjay Apte, Prasad M. Tamhankar, Shrikant C. Watawe

  KEYWORDS: Magnetic Materials, Temperature Of Chemical Reaction, Magnetic Susceptibility, Curie Temperature

  JOURNAL NAME: Materials Sciences and Applications, Vol.2 No.8, August 18, 2011

  ABSTRACT: Ni-Cu-Zn ferrites with general formula Ni0.5Zn0.5-x/2Cux/2Fe2O4 (with x = 0.3, 0.4, 0.5 and 0.6) have been synthesized using oxalate precursor method with different precursor reaction temperatures in the range 10℃ to 70℃. The Curie temperatures obtained using AC susceptibility measurements are found to be in the range 150℃ to 350℃, the measurements also show single domain structure for all the samples except few compositions obtained at 35℃ precursor reaction temperature, show a multi-domain behaviour. The saturation magnetization is found to be in the range 20 to 51 emu/gm, while the magnetic moment is found to be in the range 0.63 to 1.5 µB. The hysteresis losses were found to be maximum for the samples obtained at precursor reaction temperature of 35℃. The grain size is found to be in the range 0.4 to 2.0 µm.