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Information × Registration Number 0226U002700, (0124U001654) , R & D reports Title Microwave properties of nanocomposites based on substituted hexaferrites in the high-frequency range of electromagnetic radiation popup.stage_title Дослідження магнітних, електричних та діелектричних властивостей композитів, встановлення закономірностей взаємодії ЕМВ та КМ. Head Yakovenko Olena S., Кандидат фізико-математичних наук Registration Date 04-03-2026 Organization Taras Shevchenko National University of Kyiv popup.description1 The aim of this project is to develop the physical basis for the creation of new multicomponent composite materials (CM) of the polymer/nanocarbon/ferrite type using particles of nanocarbon of various morphologies and particles of magneto-dielectrics as nanofillers of polymer matrix (hexaferrite BaFe12O19 and substituted hexagonal M-type ferrites Ba(Fe(1-x)DIx)12O19, where DI3+, x>0.1, and substituted copper ferrites with a spinel structure) for effective control of the electromagnetic characteristics of CM when interacting with the electromagnetic radiation (EMR) in the short-wave part of the electromagnetic spectrum and on the basis of detailed theoretical and experimental research establishing the relationship between methods of obtaining, structure, phase composition of the carbon component and ferrite nanoparticles, the nature of their spatial distribution in the CM and electrodynamic and magnetic characteristics. popup.description2 The project is aimed at developing new absorbing polymer/nanocarbon (carbon nanotubes, graphite nanoplates) composite materials (CMs) using magneto-dielectrics (barium hexaferrite BaFe12O19, hexaferrite with iron ions replaced by other elements, and copper-substituted iron spinels) as an additional component, which increases the absorption coefficient of electromagnetic radiation (EMR) due to the effective complementarity of dielectric and magnetic losses, to solve the problems associated with "Development of unmanned aerial vehicles, including a control system for swarm execution with the provision of increasing the noise immunity of unmanned aerial vehicle data output channels and increasing the effectiveness of hitting targets with unmanned complexes". By varying the type and morphology of fillers in the polymer matrix, materials with specified absorption characteristics will be developed: the position, width and depth of the EMR absorption band in the frequency range of 10-60 GHz. The position of the EMR absorption band (fmin) will be controlled by using different types of ferrites, namely, hexaferrite BaFe12O19, substituted hexagonal ferrites of the M-type Ba(Fe(1-x)DIx)12O19, where DI3+, x>0.1 and inserted transition metal ions, in particular cobalt ions, copper ferrites with a spinel structure. The production of CMs will take place with the application of a magnetic field, which opens up the possibility of forming materials with anisotropic properties. A scientific concept for the creation of polymer-nanocarbon CMs with the addition of magneto-dielectrics and technological schemes for their production will be developed. Product Description popup.authors Kateryna V. Dubyk Ihor M. Danylenko Denys O. Shpylka Yuliia S. Mazurenko Nazarii V. Tkach Vadym Shvernyk popup.nrat_date 2026-03-04 Close