Nano Science and Technology Institute
Nanotech 2006 Vol. 1
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.
Tailoring FePt-Fe3O4 exchange spring coupling magnet in silicaView PDF of paper
ISBN:0-9767985-6-5
Pages:871
Hardcopy:$119.95
 
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