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EMI Shielding performance of Lead Hexaferrite/Polyaniline Composite in 8-18 GHz Frequency Range

Choudhary, Harish Kumar and Pawar, Shital Patangrao and Bose, Suryasarathi and Sahoo, Balaram (2018) EMI Shielding performance of Lead Hexaferrite/Polyaniline Composite in 8-18 GHz Frequency Range. In: 2nd International Conference on Condensed Matter and Applied Physics (ICC), NOV 24-25, 2017, Bikaner, INDIA.

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Official URL: http://dx.doi.org/10.1063/1.5033126


EMI shielding properties of nanocomposite containing lead hexaferrite (PFO) and polyaniline (PANI), a conducting polymer, was studied in X and K-u band frequencies. The nanocomposite shows enhanced EMI shielding properties than that of the pure PANI. Incorporation of PFO particles in the PANI enhances the total shielding effectiveness (SET) up to -24 dB at 18 GHz. This means that these nanocomposites can shield similar to 99% of the incoming EM radiation. The PFO/PANI shows much higher attenuation constant values over the measured frequency range. By adding the PFO in the PANI we have created more interfaces between Wax-PFO,Wax-PANI, PANI-PFO and PFO-PANI. These enhanced interfaces lead to Maxwell-Wagner polarization which results in a higher dielectric loss than only PANI.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong to AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 31 Aug 2018 14:45
Last Modified: 31 Aug 2018 14:45
URI: http://eprints.iisc.ac.in/id/eprint/60541

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