Electromagnetic parameters of coatings based on W-type hexaferrite powders

Sergey V. Serebryannikov; Anatoly P. Cherkasov; Sergey S. Serebryannikov; Andrey M. Belevtsev; Irina K. Epaneshnikova; Pavel I. Konshin; Anton S. Boldyreff

doi:10.1117/12.2581757

20 September 2020 Electromagnetic parameters of coatings based on W-type hexaferrite powders

Sergey V. Serebryannikov, Anatoly P. Cherkasov, Sergey S. Serebryannikov, Andrey M. Belevtsev, Irina K. Epaneshnikova, Pavel I. Konshin, Anton S. Boldyreff

Author Affiliations +

Proceedings Volume 11541, Millimetre Wave and Terahertz Sensors and Technology XIII; 115410J (2020) https://doi.org/10.1117/12.2581757
Event: SPIE Security + Defence, 2020, Online Only

Abstract

A study of the microwave absorbing properties of coatings based on bulk samples of W-type hexaferites is presented. The link between dielectric and magnetic permeability makes it possible to control their magnetic properties by doping the original composition. Hexaferrites are the most stable system, showing a good rate of absorption and reflection of electromagnetic radiation in the microwave range. The substantiation of the choice of material for the manufacture an absorber of electromagnetic radiation and a brief description of the technology of obtaining a composite absorber based on W-type hexaferrite are given. The results of studying the characteristics of reflection and absorption of electromagnetic radiation based on W-type hexaferrite powder in the frequency range 1 MHz –40 GHz are presented. Recommendations are given on the use of the proposed composite material as an absorber of electromagnetic radiation. It is shown that the use of a composite material for shielding and absorbing EMP has great prospects, while the shielding efficiency depends, first of all, on the type of ceramic material.

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Sergey V. Serebryannikov, Anatoly P. Cherkasov, Sergey S. Serebryannikov, Andrey M. Belevtsev, Irina K. Epaneshnikova, Pavel I. Konshin, and Anton S. Boldyreff "Electromagnetic parameters of coatings based on W-type hexaferrite powders", Proc. SPIE 11541, Millimetre Wave and Terahertz Sensors and Technology XIII, 115410J (20 September 2020); https://doi.org/10.1117/12.2581757

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