Study of electrical, dielectric and EMI shielding behavior of copper metal, copper ferrite and PVDF composite

In the present work a comparative study of electrical, dielectric and EMI shielding behaviour of copper metal-PVDF and copper ferrite- PVDF composites has been carried out. The obtained results suggest that copper metal PVDF composite shows better conductivity and dielectric constant in addition to...

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Bibliographic Details
Published inIntegrated ferroelectrics Vol. 194; no. 1; pp. 80 - 87
Main Authors Kamal Halder, Krishna, Sonker, Rakesh K., Sachdev, V. K., Tomar, Monika, Gupta, Vinay
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 22.11.2018
Taylor & Francis Ltd
Subjects
Comparative studies
composite materials
Copper ferrite
Electrical resistivity
Electromagnetic interference
Electromagnetic interference shielding
filler
Frequency ranges
Product design
Shielding
shielding efficiency
Superhigh frequencies
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Summary:In the present work a comparative study of electrical, dielectric and EMI shielding behaviour of copper metal-PVDF and copper ferrite- PVDF composites has been carried out. The obtained results suggest that copper metal PVDF composite shows better conductivity and dielectric constant in addition to excellent shielding efficiency in the X-band frequency range in comparison to copper ferrite PVDF composite. On the other hand copper ferrite PVDF composite exhibits better crystallinity. A high absorption dominated EMI shielding efficiency (SE) value of 28.75 dB is achieved for the copper metal-PVDF composite, thus making it a potential candidate for shielding application.
ISSN:1058-4587
1607-8489
DOI:10.1080/10584587.2018.1514879