The effect of core-shell engineering on the energy product of magnetic nanometals

Solution-based growth of magnetic FePt-FeCo (core-shell) nanoparticles with a controllable shell thickness has been demonstrated. The transition from spin canting to exchange coupling of FePt-FeCo core-shell nanostructures leads to a 28% increase in the coercivity (12.8 KOe) and a two-fold enhanceme...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (78), p.11005-11008
Main Authors: Zhang, Wei, Yang, Weibing, Chandrasena, Ravini U, Özdöl, V Burak, Ciston, Jim, Kornecki, Michael, Raju, SelvaVennila, Brennan, Raymond, Gray, Alexander X, Ren, Shenqiang
Format: Article
Language:English
Subjects:
Coercivity
Core-shell structure
Intermetallic compounds
Iron compounds
Nanoparticles
Platinum compounds
Shells
Structural analysis
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Summary:Solution-based growth of magnetic FePt-FeCo (core-shell) nanoparticles with a controllable shell thickness has been demonstrated. The transition from spin canting to exchange coupling of FePt-FeCo core-shell nanostructures leads to a 28% increase in the coercivity (12.8 KOe) and a two-fold enhancement in the energy product (9.11 MGOe).
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc05978k