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Bimagnetic nanoparticles with enhanced exchange coupling and energy products
(American Institute of Physics, 2009-01-06)
Bimagnetic FePt/Fe3O4 nanoparticles with core/shell or heterodimer structure have been prepared using a sequential synthetic method. The dimension of both FePt and Fe3O4 was tuned by varying the synthesis parameters. The ...
Structural phase transition and ferromagnetism in monodisperse 3 nm FePt particles
(American Institute of Physics, 2007-08-30)
FePt nanoparticles with a size of 3 nm and thermally stable room-temperature ferromagnetism are investigated. The monodisperse nanoparticles were prepared by chemical synthesis and a salt-matrix annealing technique. ...
Phase Transformation and Magnetic Hardening in Isolated FePt Nanoparticles
(IEEE, 2009-03-31)
Isolated monodisperse L1[subscript]0 FePt nanoparticles coated by carbon were obtained by adding enough surfactants that decomposed into carbon after the chemical synthesis and postannealing of the A1 FePt nanoparticles. ...