Thermoplastic 0-3 Ceramic-Polymer Composites With Adjustable Magnetic and Dielectric Characteristics for Radio Frequency Applications

Magnetic and electrical properties of thermoplastic ceramic‐polymer 0–3 composites with Z‐type hexaferrite, and MnZn ferrite inclusions were investigated. The complex permeability and permittivity were measured up to 1 GHz where maximum values of ɛ′r=30.47 and μ′r=4.32 and ɛ′r=10.95 and μ′r=1.80 wer...

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Bibliographic Details
Published inInternational journal of applied ceramic technology Vol. 7; no. 4; pp. 452 - 460
Main Authors Juuti, Jari, Teirikangas, Merja, Sonoda, Kensaku, Jantunen, Heli
Format Journal Article
LanguageEnglish
Published Malden, USA Blackwell Publishing Inc 01.07.2010
Subjects
Adjustable
Ceramics
Dielectric properties
Dispersions
Ferrite
Inclusions
Miniaturization
Polymer matrix composites
Radio frequency
Thermoplastic resins
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Summary:Magnetic and electrical properties of thermoplastic ceramic‐polymer 0–3 composites with Z‐type hexaferrite, and MnZn ferrite inclusions were investigated. The complex permeability and permittivity were measured up to 1 GHz where maximum values of ɛ′r=30.47 and μ′r=4.32 and ɛ′r=10.95 and μ′r=1.80 were obtained for MnZn‐ER182 and Co2Z‐ER182 composites with ∼44.7 vol% and 43.0 vol% filler loadings, respectively. MnZn and Co2Z composites exhibit miniaturization factors as low as 0.09 and 0.23, together with reduced magnetic losses and frequency dispersion. The results indicate that the composites offer novel possibilities for wider feasible frequency bandwidth and adjustable impedance matching and magnetic and dielectric properties.
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ISSN:1546-542X
1744-7402
DOI:10.1111/j.1744-7402.2010.02493.x