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Hard magnetic FePt nanoparticles by salt-matrix annealing
(AIP, 2006)
To transfer face-centered-cubic (fcc) FePt nanoparticles to the face-centered-tetragonal (fct) phase with high magnetic anisotropy, heat treatments are necessary. The heat treatments lead to agglomeration and sintering of ...
Structural phase transition and ferromagnetism in monodisperse 3 nm FePt particles
(AIP, 2007)
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. ...