alexa Physico-chemical Studies On Transition Metal Ferrites Obtained From The Thermolysis Of Transition Metal Tris(malonato) Ferrate(III) Precursors
ISSN: 2157-7439

Journal of Nanomedicine & Nanotechnology
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4th International Conference on Nanotek & Expo
December 01-03, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA

Jashanpreet Singh, Harpreet Kaur, Harmanjit Singh Dosanjh and B S Randhawa
Posters: J Nanomed Nanotechnol
DOI: 10.4172/2157-7439.S1.018
Abstract
Transition metal ferrites of the type, MFe2O4 (M= Mn, Co, Ni, Cu) have been prepared from the thermolysis of their respective metal tris(malonato) ferrate(III) precursors, M3[Fe(CH2C2O4)3]2.xH2O. The thermolysis of the precursors was monitored by Simultaneous Thermogravimetery-Differential, Thermogravimetery-Differential Scanning Calorimetry (TGDTG- DSC) thermograms and the end products formed (MFe2O4) have been characterized by various physico-chemical techniques i.e., powder X-Ray Diffraction (XRD), Mossbauer and Transmission Electron Microscopy (TEM) studies. X-ray diffraction patterns of the final thermolysis products confirmed the formation of cubic inverse spinel ferrites. TEM analysis shows that these ferrite particles have diameters in the range 30-65 nm. The saturation magnetization values of the ferrites obtained from malonate precursors are lower than bulk values, which could be attributed to the decreased particle size, but higher than those obtained from their respective maleate/oxalate precursors. The magnetic properties of these nano sized ferrites make them strong contenders for their potential application in recording, micro-electronics and microwave devices.
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