The control methods of tuning of dispersion of electromagnetic waves propagating in 3D-arrays of carbon nanotubes with magnetic nanoparticles at microwave frequencies

Abstract

By using numerical method of autonomous blocks with Floquet channels (FAB) the frequency dispersion of electromagnetic waves propagating in anisotropic nanostructured materials based on 3D-arrays of carbon nanotubes with magnetic Co_80 Ni_20 nanoparticles for several values of the filling factor of encapsulated magnetic nanoparticles, tuned by magnetic field, was calculated. The control methods and the efficiency of tuning of dispersion by external bias magnetic field (changing of the direction and the value of the DC bias magnetic field at different orientation with respect to CNT axis and rf magnetic field), depending on the geometry and the period of arrays at microwave frequencies.

Keywords

• carbon nanotubes
• magnetic nanoparticles
• dispersion
• electromagnetic waves
• autonomous blocks
• anisotropic nanostructured materials