Kapoor, S. ; Salunke, H. G. ; Pande, B. M. ; Kulshreshtha, S. K. ; Mittal, J. P. (1998) Radiolytic preparation of nanophase cubic cobalt metal particles Materials Research Bulletin, 33 (10). pp. 1555-1562. ISSN 0025-5408
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00255...
Related URL: http://dx.doi.org/10.1016/S0025-5408(98)00136-6
Abstract
Cobalt nanoparticles have been prepared by γ -radiolysis in three different forms, namely, aqueous sol, self-supporting powder, and dispersed on the surface of Al2O3, and characterized for their particle size distribution and metallic characteristics, using a variety of techniques. Air-stable ferromagnetic cobalt particles were found to possess the face-centered cubic structure with an average crystallite size of 5-6 nm. Magnetization studies carried out on frozen cobalt sol at 5 K also showed ferromagnetic behavior. The agglomeration of these crystallites produced particles in the range of ≅ 100 nm.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Nanostructures; C. Electron Microscopy; C. X-ray Diffraction |
| ID Code: | 25639 |
| Deposited On: | 04 Dec 2010 12:02 |
| Last Modified: | 07 Jun 2011 06:53 |
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