Model exchange‐spring nanocomposite magnetic grains | Zendy

Szlaferek A. | Zendy

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Model exchange‐spring nanocomposite magnetic grains

Author(s) -

Szlaferek A.

Publication year - 2004

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200301992

Subject(s) - nanocomposite , nucleation , magnetization , shell (structure) , spring (device) , condensed matter physics , materials science , magnetic field , phase (matter) , nonlinear system , hard core , physics , composite material , thermodynamics , statistical physics , quantum mechanics

The magnetization reversal in nanocomposite two‐phase grains embedded in a soft magnetic matrix is calculated using Brown's equation. The grains are spherical, consisting of a soft core surrounded by a hard shell. The calculation yields nonlinear algebraic expressions whose solutions describe the nucleation field as a function of the geometrical and magnetic parameters of the grains. The magnetization reversal depends not only on the total grain size but also on the shell thickness. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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