Structural and Magnetic Properties of Nanocrystalline Copper Ferrites Synthesized by Sol-gel Autocombustion Method
A. S. Padampalle1, A. D. Suryawanshi2, V. M. Navarkhele3, D. S. Birajdar4

1Dr. A. S. Padampalle, Common Research Facility Center, Shri Chhatrapati Shivaji College Omerga, Osmanabad (Maharashtra), India.
2Dr. A. D. Suryawanshi, Department of Physics, B.J. College, Pune (Maharashtra), India.
3Mr. V. M. Navarkhele, Common Research Facility Center, Shri Chhatrapati Shivaji College Omerga, Osmanabad (Maharashtra), India.
4Dr. D. S. Birajdar, Common Research Facility Center, Shri Chhatrapati Shivaji College, Omerga, Osmanabad (Maharashtra), India.

Manuscript received on 21 September 2013 | Revised Manuscript received on 28 September 2013 | Manuscript published on 30 September 2013 | PP: 19-22 | Volume-2 Issue-4, September 2013 | Retrieval Number: D0755092413/2013©BEIESP
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Abstract: Nanocrystalline copper ferrites are conventionally synthesized by the sol-gel auto combustion method using metal nitrates and citric acid for different temperatures. In this work, X-ray diffractometry (XRD), transmission electron microscopy (TEM), Fourier transform infrared (FT-IR) and vibration sample magnetometry were used to characterize the samples. XRD and selected-area electron diffraction pattern indicates, the synthesized nanocrystalline particles have only the inverse spinel structure without presence of any other phase impurities. Nanocrystalline particles in the range 22-85 nm obtained depending on calcined temperature. FTIR spectra shows, the position of absorption bands are found to be particle size dependent. In magnetic studies, saturation magnetisation increases and coercivity decreases by increasing temperature.
Keywords: Nanocrystalline, CuFe2O4 , X-ray, TEM, FTIR, VSM

Scope of the Article: Nanotechnology