In situ microwave characterization of microwire composites with external magnetic field

F. X. Qin; C. Brosseau; H. X. Peng; H. Wang; J. Sun

doi:10.1063/1.4712126

In situ microwave characterization of microwire composites with external magnetic field

F. X. Qin
, C. Brosseau^*
, H. X. Peng
, H. Wang
, J. Sun

^*Corresponding author for this work

Université Européenne de Bretagne
University of Bristol
Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Rubber composites containing Co _68.15Fe _4.35Si _12.25B _15.25 glass-covered amorphous microwires were fabricated. For samples containing 5 mm long wires and randomly dispersed in the polymer matrix, our results demonstrate that the current induces resonance of circumferential permeability (magnetoimpedance resonance) resulting in a significant change of the effective permittivity of the wire-filled composites with application of a high magnetic field. For samples containing longer wires (70 mm) periodically arranged in the polymer matrix, the permittivity spectrum shows two resonance peaks due to, respectively, dipole and magnetoimpedance resonance. The induced magnetoimpedance resonance has a narrower linewidth than the dipole one as magnetic field is increased.

Original language	English
Article number	192903
Journal	Applied Physics Letters
Volume	100
Issue number	19
DOIs	https://doi.org/10.1063/1.4712126
State	Published - 7 May 2012
Externally published	Yes

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title = "In situ microwave characterization of microwire composites with external magnetic field",

abstract = "Rubber composites containing Co 68.15Fe 4.35Si 12.25B 15.25 glass-covered amorphous microwires were fabricated. For samples containing 5 mm long wires and randomly dispersed in the polymer matrix, our results demonstrate that the current induces resonance of circumferential permeability (magnetoimpedance resonance) resulting in a significant change of the effective permittivity of the wire-filled composites with application of a high magnetic field. For samples containing longer wires (70 mm) periodically arranged in the polymer matrix, the permittivity spectrum shows two resonance peaks due to, respectively, dipole and magnetoimpedance resonance. The induced magnetoimpedance resonance has a narrower linewidth than the dipole one as magnetic field is increased.",

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T1 - In situ microwave characterization of microwire composites with external magnetic field

AU - Qin, F. X.

AU - Brosseau, C.

AU - Peng, H. X.

AU - Wang, H.

AU - Sun, J.

PY - 2012/5/7

Y1 - 2012/5/7

N2 - Rubber composites containing Co 68.15Fe 4.35Si 12.25B 15.25 glass-covered amorphous microwires were fabricated. For samples containing 5 mm long wires and randomly dispersed in the polymer matrix, our results demonstrate that the current induces resonance of circumferential permeability (magnetoimpedance resonance) resulting in a significant change of the effective permittivity of the wire-filled composites with application of a high magnetic field. For samples containing longer wires (70 mm) periodically arranged in the polymer matrix, the permittivity spectrum shows two resonance peaks due to, respectively, dipole and magnetoimpedance resonance. The induced magnetoimpedance resonance has a narrower linewidth than the dipole one as magnetic field is increased.

AB - Rubber composites containing Co 68.15Fe 4.35Si 12.25B 15.25 glass-covered amorphous microwires were fabricated. For samples containing 5 mm long wires and randomly dispersed in the polymer matrix, our results demonstrate that the current induces resonance of circumferential permeability (magnetoimpedance resonance) resulting in a significant change of the effective permittivity of the wire-filled composites with application of a high magnetic field. For samples containing longer wires (70 mm) periodically arranged in the polymer matrix, the permittivity spectrum shows two resonance peaks due to, respectively, dipole and magnetoimpedance resonance. The induced magnetoimpedance resonance has a narrower linewidth than the dipole one as magnetic field is increased.

UR - https://www.scopus.com/pages/publications/84862099849

U2 - 10.1063/1.4712126

DO - 10.1063/1.4712126

M3 - 文章

AN - SCOPUS:84862099849

SN - 0003-6951

VL - 100

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 19

M1 - 192903

ER -

In situ microwave characterization of microwire composites with external magnetic field

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