Evaluation of Magnetic Polymer Composite Parameters from FMR Measurement

The article proposes an evaluation procedure for determining the magnetic parameters, particularly the saturation magnetic polarization of Ni0.3Zn0.7Fe2O4 powder embedded in non-magnetic polymer from FMR measurements. Dependence of the reflected microwave signal magnitude and phase on the ferrite po...

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Bibliographic Details
Published in:Advances in electrical and electronic engineering 2004-06, Vol.3 (2), p.249-252
Main Authors: Kollar, Mojmir, Franek, Jaroslav
Format: Article
Language:English
Subjects:
magnetic polarization
microwave
powder
pvc
Online Access:Get full text
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Summary:The article proposes an evaluation procedure for determining the magnetic parameters, particularly the saturation magnetic polarization of Ni0.3Zn0.7Fe2O4 powder embedded in non-magnetic polymer from FMR measurements. Dependence of the reflected microwave signal magnitude and phase on the ferrite powder of 0.23 to 0.80 volume fraction, in polyvinyl chloride (PVC) matrix has been investigatedin microwave X-band, using moulded capsules above 1 mm thick and approsimately 10 mm in diameter as experimental samples.
ISSN:1336-1376
1804-3119