The Symmetrised Maxwell-Garnett Approximation for Magneto-Optical Spectra of Ferromagnetic Composites

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概要

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• We develop the symmetrised Maxwell-Garnett (SMG) approximation for magneto-optical spectra calculations by introducing an average over two following random units: inclusion of A coated by shell of B and inclusion of B coated by shell of A. Thus the symmetrised Maxwell-Garnett approach is the modified version of both Max-well-Garnett and Bruggeman theories for arbitrary values of ferromagnetic volume fraction. The calculated spectra of metal-metal granular alloys in Bruggeman and SMG approaches are closed to each other, but this is not the case for metal-insulator composites, especially when close to percolation threshold. It is shown that magneto-optical response of the ferromagnetic composites is extremely sensitive to the value of the percolation threshold and hence to the microstructures of the composites.

• 社団法人日本磁気学会の論文
• 1999-01-20

著者

• Granovsky A

  M. V. Lomonosov Moscow State Univ.

• Clerc J.

  Universite De Provence Iusti Technopole De Chateau-gombert

• Granovsky A.

  Department Of Physics Moscow Lomonosov University

• Kuzmichov M.

  Department of Physics, Moscow Lomonosov University

• Kuzmichov M.

  Department Of Physics Moscow Lomonosov University

• Clerc J.P.

  Universite de Provence, IUSTI, Technopole de Chateau-Gombert

関連論文

• The Symmetrised Maxwell-Garnett Approximation for Magneto-Optical Spectra of Ferromagnetic Composites

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