NDLI: Electrodynamic model and calculation of th effective permeability tensor for 3D magnet opal-based nanocomposites at microwaves

Content Provider	IEEE Xplore Digital Library
Author	Makeeva, G.S. Golovanov, O.A. Rinkevich, A.B.
Copyright Year	2012
Description	Author affiliation: Institute of Metal Physics Ural Branch of Russian Academy of Science, 18 Sofia Kovalevskaya St., Ekaterinburg 620041 Russia (Rinkevich, A.B.) \|\| Penza State University, Penza, Russia (Makeeva, G.S.; Golovanov, O.A.)
Abstract	The electrodynamic model of propagating of electromagnetic waves in 3D magnetic opal nanocomposites based on the solution of the Maxwell's equations with electrodynamic boundary conditions, complemented by the Landau-Lifshitz equation with the exchange term is developed by using the decomposition approach on autonomous blocks with Floquet channels. By solving the system of quasi-simultaneous equations the real and imaginary parts of the diagonal and off-diagonal components of the effective permeability tensor of the Ni0.7Zn0.3Fe2O4 particles-containing magnetic opal as a function of DC magnetic field were calculated at a frequency f =26 GHz. The results of simulation taking into account the different number of ferromagnetic spherical nanoparticles, filling the octahedral SiO2 opal void regions, for the constant value of the filling factor show good agreement with the experimental data.
Starting Page	441
Ending Page	444
File Size	470775
Page Count	4
File Format	PDF
ISBN	9781467324717
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-31
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	EUROPEAN MICROWAVE ASSOC
Subject Keyword	Magnetomechanical effects diffraction magnetization Nanoparticles nanoparticles Magnetic resonance imaging Nanocomposites Magnetic domains propagation constants mathematical model nanocomposite Mathematical model boundary conditions electromagnetic propagation Saturation magnetization
Content Type	Text
Resource Type	Article

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