The effect of a magnetic field on the thermal destruction of cobalt formate |
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Authors: | P. A. Chernavskii V. I. Zaikovskii G. V. Pankina N. S. Perov A. O. Turakulova |
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Affiliation: | (1) Faculty of Chemistry, Moscow State University, Moscow, Russia;(2) Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, Russia;(3) Faculty of Physics, Moscow State University, Moscow, Russia |
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Abstract: | The thermal decomposition of cobalt formate in a flow of an inert gas led to the formation of cobalt nanoparticles in pores of various substrates (silica gel, alumina, activated carbon, and montmorillonite). Electron microscopic studies showed that the particle-size distribution of cobalt depended on the external magnetic field strength; the average particle size and distribution variance decreased as the field strength increased. It was assumed that the external magnetic field affected the nucleation constant of cobalt nanoparticles. Original Russian Text ? P.A. Chernavskii, V.I. Zaikovskii, G.V. Pankina, N.S. Perov, A.O. Turakulova, 2009, published in Zhurnal Fizicheskoi Khimii, 2009, Vol. 83, No. 3, pp. 586–589. |
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