 | Nanotech 2006 Vol. 1
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 4: Nanoparticle Processes & Applications |
Tailoring FePt-Fe3O4 exchange spring coupling magnet in silica | |
| Authors: | C.H. Yu, C.C.H. Lo, K.Y. Tam and S.C. Tsang |
| Affilation: | University of Reading, UK |
| Pages: | 415 - 418 |
| Keywords: | exchange spring coupling, nano-magnet, encapsulation |
| Abstract: | We report the optimization of exchange spring coupling of FePt/Fe3Pt nanocomposites via independently tuning their size and composition by a micro-emulsion method. These nanocomposites are deliberately placed in each silica nano-spheres such that the problem of their sintering is substantially reduced by the presence of silica overlayers during annealing of the mixture. As a result, size tailoring of FePt/Fe3Pt in their L10/L12 phases respectively, can be, for the first time, demonstrated. |
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| ISBN: | 0-9767985-6-5 |
| Pages: | 871 |
| Hardcopy: | $119.95 |
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