Title :
Enhancement of the Curie temperature for exchange coupled Nd-Fe-B and Pr-Fe-B magnets
Author :
Dahlgren, M. ; Grossinger, Roland ; de Morais, E. ; Gama, S. ; Mendoza, G. ; Liu, J.F. ; Davies, H.A.
Author_Institution :
Inst. fur Experimentalphys., Tech. Univ. Wien, Austria
fDate :
9/1/1997 12:00:00 AM
Abstract :
An enhancement of the Curie temperature, Tc, was deduced from ac-susceptibility measurements on the R2Fe14B (R=Nd and Pr) phase for exchange coupled nanocrystalline magnets with respect to corresponding microcrystalline magnets
Keywords :
Curie temperature; boron alloys; exchange interactions (electron); ferromagnetic materials; iron alloys; magnetic susceptibility; nanostructured materials; neodymium alloys; permanent magnets; praseodymium alloys; AC susceptibility; Curie temperature; Nd-Fe-B; Pr-Fe-B; exchange coupled magnets; microcrystalline magnets; nanocrystalline magnets; Couplings; Grain size; Magnetic anisotropy; Magnetic field measurement; Magnets; Perpendicular magnetic anisotropy; Remanence; Saturation magnetization; Soft magnetic materials; Temperature;
Journal_Title :
Magnetics, IEEE Transactions on