微波下非晶细丝的磁阻抗和铁磁共振效应及其在功能复合材料中的应用

2015 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2015-10-15 DOI:10.1109/ICEAA.2015.7297295

M. Ipatov, V. Zhukova, Julian Gonzalez, A. Zhukov

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引用次数: 0

摘要

通过在0.9 ~ 17 GHz自由空间测量s参数，研究了外加磁场对CoFeSiBCr非晶线复合材料微波响应的影响。考虑了两种由连续和短切导线晶格构成的复合材料采用不同类型的介电函数光谱(等离子体和谐振)。在这两种情况下，电场的作用由于导线阻抗的增加而增加了介质损耗。在较低的频率范围内，观测到的反射/透射光谱变化大于10%。从有效介电常数的角度对结果进行了分析。

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Magneto-impedance and ferro-magnetic resonance effects in thin amorphous wires and their application in functional composites materials at microwaves

The effect of the external magnetic field on microwave response from composites containing CoFeSiBCr amorphous wires has been demonstrated by measuring S-parameters in free space in the frequency band of 0.9-17 GHz. Two types of composites made of lattices of continuous and short -cut wires are considered to employ different types of spectra of the dielectric function (plasmonic and resonant). In both cases, the application of the field increases the dielectric losses owing to increase in the wire impedance. The observed changes in the reflection/transmission spectra are more than 10% in a certain lower frequency range. The results are analyzed in terms of the effective permittivity.

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2015 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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