Magnetic field-dependent effective microwave properties of microwire-epoxy composites

Faxiang Qin; Hua-Xin Peng; Jonathan D Fuller; C.  Brosseau

doi:10.1063/1.4758483

Magnetic field-dependent effective microwave properties of microwire-epoxy composites

Faxiang Qin
, Hua-Xin Peng
, Jonathan D Fuller
, C. Brosseau

Bristol Composites Institute

Research output: Contribution to journal › Article (Academic Journal) › peer-review

19 Citations (Scopus)

Abstract

In this work, we report on the observation of the electromagnetic parameters of glass-covered amorphous microwires/epoxy composites with various concentrations of microwires over a broad magnetic field range up to 1 kOe. The effective permittivity presents a strong tunability with respect to a dc magnetic field excitation. An inherent crossover field due to the microwires is further observed at 300 Oe suggesting that the giant magnetoimpedance effect dominates the features of dipolar absorption at low magnetic field bias (

Original language	English
Article number	152905
Pages (from-to)	152905-1
Number of pages	5
Journal	Applied Physics Letters
Volume	101
Issue number	15
DOIs	https://doi.org/10.1063/1.4758483
Publication status	Published - 8 Oct 2012

Keywords

GIANT MAGNETOIMPEDANCE
WIRES
FERROMAGNETIC MICROWIRES

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http://link.aip.org/link/?APL/101/152905

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title = "Magnetic field-dependent effective microwave properties of microwire-epoxy composites",

abstract = "In this work, we report on the observation of the electromagnetic parameters of glass-covered amorphous microwires/epoxy composites with various concentrations of microwires over a broad magnetic field range up to 1 kOe. The effective permittivity presents a strong tunability with respect to a dc magnetic field excitation. An inherent crossover field due to the microwires is further observed at 300 Oe suggesting that the giant magnetoimpedance effect dominates the features of dipolar absorption at low magnetic field bias (",

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author = "Faxiang Qin and Hua-Xin Peng and Fuller, \{Jonathan D\} and C. Brosseau",

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AU - Qin, Faxiang

AU - Peng, Hua-Xin

AU - Fuller, Jonathan D

AU - Brosseau, C.

PY - 2012/10/8

Y1 - 2012/10/8

N2 - In this work, we report on the observation of the electromagnetic parameters of glass-covered amorphous microwires/epoxy composites with various concentrations of microwires over a broad magnetic field range up to 1 kOe. The effective permittivity presents a strong tunability with respect to a dc magnetic field excitation. An inherent crossover field due to the microwires is further observed at 300 Oe suggesting that the giant magnetoimpedance effect dominates the features of dipolar absorption at low magnetic field bias (

AB - In this work, we report on the observation of the electromagnetic parameters of glass-covered amorphous microwires/epoxy composites with various concentrations of microwires over a broad magnetic field range up to 1 kOe. The effective permittivity presents a strong tunability with respect to a dc magnetic field excitation. An inherent crossover field due to the microwires is further observed at 300 Oe suggesting that the giant magnetoimpedance effect dominates the features of dipolar absorption at low magnetic field bias (

KW - GIANT MAGNETOIMPEDANCE

KW - WIRES

KW - FERROMAGNETIC MICROWIRES

U2 - 10.1063/1.4758483

DO - 10.1063/1.4758483

M3 - Article (Academic Journal)

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JO - Applied Physics Letters

JF - Applied Physics Letters

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M1 - 152905

ER -

Magnetic field-dependent effective microwave properties of microwire-epoxy composites

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Keywords

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