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Information × Registration Number 0225U000831, (0122U001885) , R & D reports Title Magnetic dynamics of composite nanostructures with antiferromagnetic coupling popup.stage_title Дослідження магнітодинамічних характеристик нанокомпозитних структур Head Holub Volodymyr O., Доктор фізико-математичних наукTovstolytkin Oleksandr І., Доктор фізико-математичних наук Registration Date 20-01-2025 Organization Institute of Magnetism NAS of Ukraine and MES of Ukraine popup.description1 The goal of the project is to establish the relationship between the interlayer interaction and the magnetic dynamics of composite systems with antiferromagnetic coupling, as well as to elucidate the transformation of magnetic parameters in nanoscale magnet systems at magnetic components concentration change and geometry variation. popup.description2  The magnetic and magnetodynamic properties of the hybrid nanostructure of a superconductor strip (stripе arrays) placed over a film of a soft magnetic ferrimagnet with perpendicular magnetic anisotropy have been investigated. The superconducting stripes produce stray fields that decrease the effective static field inside the thin ferrimagnetic layer. The possibility of spin waves localization in the potential well in the field reduction region of has been shown. The influence of diffusion processes in Pt–Co bilayer structures on the modification of their structure and magnetic properties depending on the arrangement of the layers (Pt/Co/substrate or Co/Pt/substrate) under a heat treatment and ion irradiation has been investigated. The mechanisms of domains parameters controll in antiferromagnetic devices have been investigated and explained. The formation of antiferromagnetic domains in structured thin films of CuMnAs and Mn2Au, which are the basic materials of antiferromagnetic spintronics, has been studied. The formation of magnetic anisotropy in vertically oriented nanocomposites of self-organized ferromagnetic nanopillars of La0.7Sr0.3MnO3 in a ZnO matrix has been studied. The predicted density of information recording in such structures is close to the maximum achieved density in a hard disk of 1 Tbit/in2. Based on a detailed analysis of the results of quasi-static magnetic measurements carried out on samples of Y3AlFe4O12 ceramics, key internal parameters determining static and dynamic magnetic behavior of Al-doped YIG garnets have been identified, as well as their field and temperature behavior have been analyzed. Product Description popup.authors Borynskyi Vladyslav Yu. Vasylenko Petro S. Ihor V. Herasymchuk Dzhezheria Yurii I. Kozak Iryna M. Krаvets Anаtolii F. Kuzmak Orest M. Lytvynenko Yaryna M. Pohorilyi Anatolii M. Polishchuk Dmytro M. Saliuk Olha Yu. Semenova Yuliia S. Kharlan Yulia I. Sharai Iryna V. popup.nrat_date 2025-01-20 Close