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The Structure and Magnetic Properties Metal-carbon Nanocomposites NiCo / C on Based of Polyacrylonitrile

By L.V. Kozhitov, D.G. Muratov, S.G. Emelyanov, V.G. Kostishin, E.V. Yakushko, A.G. Savchenko, I.V. Schetinin and E.P. Mosyakina

Abstract

By method of IR-pyrolysis the precursor of polyacrylonitrile and compounds of cobalt and nickel metal-carbon nanocomposites were obtained, representing nanoparticles of alloy NiCo, dispersed in nanocrystal-line carbon matrix. Identification of alloy nanoparticles was carried out by the values of the lattice param e-ter, which was determined by X-ray analysis and was 0,3533 nm (values of the lattice parameter for Ni \ud 0,3529 nm), this corresponds intermetallics Ni0,5Co0,5. By XRD analysis it was determined that an increase \ud in the synthesis temperature of 500 to 800 ºC leads to increase in average size of coherent dissipation of \ud crystallite metal phase. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/3632

Topics: Metalcarbon nanocomposites, Nanoparticles NiCo, Saturation magnetization, Infrared heating
Publisher: Sumy State University
Year: 2014
OAI identifier: oai:essuir.sumdu.edu.ua:123456789/36325
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