Role of Ferrites in Negative Index Metamaterials

Author

He, Yongxue ; He, Peng ; Harris, Vincent G. ; Vittoria, Carmine

Author_Institution

Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA

Volume

42

Issue

10

fYear

2006

Firstpage

2852

Lastpage

2854

Abstract

Metamaterial composites consisting of copper wires and yttrium iron garnet (YIG) slabs have been theoretically studied using the transfer function matrix technique and predictions of electromagnetic scatterings have been compared well with experiments. An array of copper wires (without ferrite) showed plasma-like behavior in the calculation and was confirmed experimentally. The addition of a YIG slab demonstrated the effect of negative index. We believe that such a ferrite-wire metamaterial should provide low-loss and tunable negative index media (NIM) structures

Keywords

composite materials; copper; electromagnetic wave scattering; ferrites; metamaterials; slabs; transfer function matrices; wires (electric); yttrium compounds; copper wires; electromagnetic scatterings; ferrites; metamaterial composites; negative index; plasma like behavior; transfer function matrix; yttrium iron garnet slabs; Copper; Electromagnetic scattering; Ferrites; Garnets; Iron; Metamaterials; Slabs; Transfer functions; Wires; Yttrium; Ferrite; metamaterial; negative index media (NIM); tunable;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2006.879146

Filename

1704460