Abstract
Manganese oxide nanoparticles were synthesized by sol-gel technique. Annealing in 250°C leading to produce Mn3O4 .Mn2O3 was obtained by increasing annealing temperature.Potassium permanganate and maleic acid were used to produce MnO2 at room temperature.The structural properties of manganese oxides were investigated by XRD spectrum and the average crystallite size were identified in the range of 38-51nm.The magnetic properties of the samples were studied by VSM. The effect of annealing temperature on the hysteresis cycle showed different χm for Mn3O4 and Mn2O3.
Keywords
M. Zheng and H. Zhang; “A simple additive-free approach forhesynthesis of uniform manganese monoxide nanorods with large specific surface area”; Nanoscale Research Letters ,8 (2013) 166.
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[2] D. Peng and X. Youlong ;“Synthesis and Performance of Nano MnO as an Anode Material for Lithium-Ion Batteries”; Acta Phys. –Chim29, (2013) , 293.
[3] X. Chu and H. Zhang; “Catalytic Decomposition of Formaldehyde on Nanometer Manganese Dioxide”; Modern Applied Science3, (2009) 177.
[4] X. Kawakoa and M. Hibino; “Sonochemical synthesis of amorphous manganese oxide coated on carbon and application to high power battery”; Journal of Power Sources125, (2004) 85-.
[5]S. C. Pang and S. F.Chin; “Controlled Synthesis of Manganese Dioxide Nanostructures via a Facile Hydrothermal Route”; Journal of Nanomaterials, (2011).
A. V. Olmos and R. Redón; “One-step synthesis of Mn3O4 nanoparticles: Structural and magnetic study”; Journal of Colloid and Interface Science291, (2005) 175.
[8]W. D. Callister; “Materials Science and Engineering”; 7th edition, John Wiley & Sons, Inc. (2007)687
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