A left-handed material combined YIG and thin metal wire array

被引：0

作者：

Tsutaoka, T ^{[1
]}

Hirashiba, M ^{[1
]}

Kasagi, T ^{[1
]}

Hatakeyama, K ^{[1
]}

Fujimoto, K ^{[1
]}

机构：

[1] Hiroshima Univ, Higashihiroshima 7398524, Japan

来源：

NINTH INTERNATIONAL CONFERENCE ON FERRITES (ICF-9) | 2005年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Complex permeability spectra of a Yttrium Iron Garnet (YIG: Y3Fe5O12) under external magnetic field and complex permittivity spectra of thin metal wire array composites have been studied in the microwave frequency range. Resonant type sharp spectra having negative permeability have been observed above 1 GHz in YIG under external magnetic field up to 1 kOe. This spectra can be described by the gyro-magnetic spin resonance. Permittivity of thin metal wire array composites takes negative value below an equivalent plasma frequency omega(p) = 16 GHz when the distance of wires is 30 mm. A left-handed material characteristics having negative permeability and permittivity can be achieved by combining these two materials in several GHz frequency region.

引用

页码：891 / 896

页数：6

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