Effect of the hard magnetic inclusion on the macroscopic anisotropy of nanocrystalline magnetic materials | Zendy

Irene Navarro | Zendy; E. Pulido | Zendy; P. Crespo | Zendy; A. Hernando | Zendy

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Effect of the hard magnetic inclusion on the macroscopic anisotropy of nanocrystalline magnetic materials

Author(s) -

Irene Navarro,

E. Pulido,

P. Crespo,

A. Hernando

Publication year - 1993

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.352602

Subject(s) - nanocrystalline material , annealing (glass) , materials science , volume fraction , anisotropy , magnetic anisotropy , condensed matter physics , hardening (computing) , nanocrystal , nuclear magnetic resonance , metallurgy , magnetization , composite material , nanotechnology , magnetic field , physics , optics , layer (electronics) , quantum mechanics

It is shown that the presence of highly anisotropic magnetic precipitates in a soft multiphased matrix can produce a remarkable hardening, even when the volume fraction of the precipitates is small. The exchange coupling between the matrix and the precipitates is the relevant parameter. In particular, the simplified analysis we develop in this paper accounts for the magnetic hardening observed in very soft Fe-rich nanocrystals after annealing at higher temperatures

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