Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jssc.2007.09.014
Title: Selective-precursor reducing route to cobalt nanocrystals and ferromagnetic property
Authors: Jiang, C. 
Wang, L.
Kuwabara, K.
Keywords: Cobalt
Ferromagnetic
Nanocrystals
Issue Date: Nov-2007
Citation: Jiang, C., Wang, L., Kuwabara, K. (2007-11). Selective-precursor reducing route to cobalt nanocrystals and ferromagnetic property. Journal of Solid State Chemistry 180 (11) : 3146-3151. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jssc.2007.09.014
Abstract: Cobalt nanocrystals were prepared by controlled chemical route at mild condition through selective-precursor reducing synthesis. Nanorod bundles and three-dimensional (3D) dendritic nanocrystal networks of Co were prepared by selecting different precursors. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) technologies. Field-emission scanning electron microscopy (FE-SEM), SEM, and TEM images indicate the nanorod bundles mainly consist of nanorods with the diameter of 70 nm. In 3D dendritic nanocrystal networks there are numerous secondary and sub-secondary branches were grown at right angles on each main stem. Room temperature magnetic measure of the Co samples demonstrates much enhanced ferromagnetic property, which might be attributed to their organization of specific shape. The possible formation mechanism of the cobalt nanocrystals with different morphologies was also discussed. © 2007 Elsevier Inc. All rights reserved.
Source Title: Journal of Solid State Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/76936
ISSN: 00224596
DOI: 10.1016/j.jssc.2007.09.014
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