EMI shielding performance of lead hexaferrite/polyaniline composite in 8-18 GHz frequency range

EMI shielding performance of lead hexaferrite/polyaniline composite in 8-18 GHz frequency range

EMI shielding properties of nanocomposite containing lead hexaferrite (PFO) and polyaniline (PANI), a conducting polymer, was studied in X and Ku band frequencies. The nanocomposite shows enhanced EMI shielding properties than that of the pure PANI. Incorporation of PFO particles in the PANI enhance...

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Hauptverfasser: Choudhary, Harish Kumar, Pawar, Shital Patangrao, Bose, Suryasarathi, Sahoo, Balaram
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Sahoo, Balaram
description EMI shielding properties of nanocomposite containing lead hexaferrite (PFO) and polyaniline (PANI), a conducting polymer, was studied in X and Ku 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 ∼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.
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title EMI shielding performance of lead hexaferrite/polyaniline composite in 8-18 GHz frequency range
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