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Integrated Ferroelectrics
An International Journal
Volume 194, 2018 - Issue 1: International Symposium on Integrated Functionalities (ISIF 2017), Part II
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Section G: Tunable Dielectrics for RF and High Frequency Devices

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

Krishna Kamal HalderDepartment of Physics and Astrophysics, University of Delhi, New Delhi, India; ;Physics Department, Kirori Mal College, University of Delhi, New Delhi, India;
,
Rakesh K. SonkerDepartment of Physics and Astrophysics, University of Delhi, New Delhi, India;
,
V. K. SachdevDepartment of Physics and Astrophysics, University of Delhi, New Delhi, India;
,
Monika TomarDepartment of Physics, Miranda House, University of Delhi, New Delhi, India
&
Vinay GuptaDepartment of Physics and Astrophysics, University of Delhi, New Delhi, India; Correspondence[email protected]
Pages 80-87 | Received 10 Dec 2017, Accepted 16 Jul 2018, Published online: 16 Apr 2019
 
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Abstract

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.

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