MnO and NiO nanoparticles: synthesis and magnetic properties

Ghosh, Moumita ; Biswas, Kanishka ; Sundaresan, A. ; Rao, C. N. R. (2006) MnO and NiO nanoparticles: synthesis and magnetic properties Journal of Materials Chemistry, 16 (1). pp. 106-111. ISSN 0959-9428

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Official URL: http://doi.org/10.1039/B511920K

Related URL: http://dx.doi.org/10.1039/B511920K

Abstract

Nanoparticles of MnO with average diameters in the 6–14 nm range have been prepared by the decomposition of manganese cupferronate in the presence of TOPO, under solvothermal conditions. Nanoparticles of NiO with average diameters in the 3–24 nm range have been prepared by the decomposition of nickel cupferronate or acetate under solvothermal conditions. The nanoparticles have been characterized by X-ray diffraction and transmission electron microscopy. Both MnO and NiO nanoparticles exhibit supermagnetism, accompanied by magnetic hysteresis below the blocking temperature (TB). The TB increases with the increase in particle size in the case of NiO, and exhibits the reverse trend in the case of MnO.

Item Type:Article
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ID Code:120137
Deposited On:23 Jun 2021 06:24
Last Modified:23 Jun 2021 06:24

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