Fe-based ferromagnetic microwires enabled meta-composites

被引：37

作者：

Luo, Y. ^{[1
]}

Peng, H. X. ^{[1
]}

Qin, F. X. ^{[2
]}

Ipatov, M. ^{[3
]}

Zhukova, V. ^{[3
]}

Zhukov, A. ^{[3
]}

Gonzalez, J. ^{[3
]}

机构：

[1] Univ Bristol, Adv Composite Ctr Innovat & Sci, Dept Aerosp Engn, Bristol BS8 1TR, Avon, England

[2] Natl Inst Mat Sci, Nanomat Grp 1D, Tsukuba, Ibaraki 3050047, Japan

[3] Univ Basque Country, Fac Quim, Dpto Fis Mat, San Sebastian 20009, Spain

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 25期

关键词：

GMI; IMPEDANCE; WIRES;

D O I：

10.1063/1.4850196

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The microwave properties of polymer-based glass fiber reinforced composites containing amorphous Fe77Si10B10C3 microwires in parallel and orthogonal arrays and their dependencies on external magnetic field have been investigated. Double-negative-index characteristics are confirmed for both wire arrays through the observed transmission window in the 1-7 GHz frequency band. The microwave interaction within inter-wire range is responsible for a multi-peak feature observed in the absorption spectra of the parallel wire array composite when the wire spacing is below 7 mm. We introduce the term of "effective diameter" associated with the microwire domain structure to remedy the discrepancy between the computed and experimentally observed plasma frequency. (C) 2013 AIP Publishing LLC.

引用

页数：5

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