Microwave permeability of metamaterials based on ferromagnetic composites

被引：15
|
作者：
Adenot-Engelvin, AL
Dudek, C
Acher, O
机构：
[1] CEA Ripault, F-37260 Mounts, France
[2] Univ Tours, CNSR, LEMA, UMR 6157, F-37000 Tours, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 300卷 / 01期
关键词：
ferrornagnetic composites; metamaterials; gyromagnetism;
D O I：
10.1016/j.jmmm.2005.10.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we focus on metamaterials based on ferromagnetic composite combined with an inductive pattern. CoFeSiB amorphous ferromagnetic glass-coated microwires and thin films are involved in the composite. The inductive pattern is a coiling of Copper wire with a varying number of loops. We derived the microwave permeability of the ferromagnetic material inside the inductive pattern through a Landau-Gilbert model of gyromagnetism. In agreement with experimental results, the engineering of resonance frequency of the sample is achieved through the number of loops of the coiling. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：33 / 37
页数：5
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