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Information × Registration Number 0221U102472, 0118U003201 , R & D reports Title Influence of electric and magnetic fields on the formation of nanostructured materials of functional purpose by methods of spark-plasma sintering and colloid self-assembly. popup.stage_title Head Ragulya Andrii V., Доктор технічних наук Registration Date 03-02-2021 Organization Institute of Problems of Materials Science named after IM Frantsevich of the National Academy of Sciences of Ukraine popup.description2 The influence of hydrothermally synthesis parameters on the characteristics of ВаТiО3 and the conditions of formation of the polar phase of ВаТiО3 in the form of rods have been studied. It is shown that the rod-like structures of ВаТiО3 synthesized under the conditions SR = 19÷29 and the use of TiOCl2 or ТіО2 as starting reagents show high values of a/c (1.013), small values of width (50÷90 nm), high dimension ratio (19÷21 or 6÷9). A method for studying the rheological properties of dispersions of ceramic nanopowders with a polymer matrix and the rheological behavior of nano-ВаТiО3 and a mixture of Ni / NiO suspensions has been analyzed. Films with a thickness ~300 nm and surface roughness of 26 nm were obtained using high shear fields and suspension pre-cooling. Prototypes of multilayer ceramic capacitors and weak magnetic field sensors were assembled using BaTiO3, Ni/NiO and CoFe2O4 tapes. The CVD method of C3N4Ox/TiO2ants composite synthesis was developed, C3N4Ox/PAN, TiO2ants/PAN composites were synthesized by chemical polymerization and their surface structure and optical properties were investigated. The increase of the absorption coefficient in the visible range of the radiation spectrum and the increase of the photocatalytic efficiency are established. A BaTiO3 layer with a roughness Ra 90 nm and Rq 100 nm were obtained by deposition of suspensions in the region of 10–20 V/cm. A method of reactive SPS of BaCb–(BxOy/BN) composites with a 3D grid of nano-BxOy/BN has been developed. The triple single-phase high-entropy carbide TaZrNb was obtained at the T =1920 °C. The flexural strength of TaZrNb carbide showed a peak of ~496 MPa at 1600 °C, at 1800 °C and 2000 °C the strength decreases to ~366 MPa and ~139 MPa, respectively. Crack resistance and modulus of elasticity were ~2.9 MPa m1/2 and ~563 GPa, respectively. The production of TiB2-TiN by the SPS from a mixture of TiH2-B-BNhex was investigated, as well as the phase formation processes. Product Description popup.authors Ivanchenko Serhii E. Bаrаnovskyi Dmytro I. Bondarenko Serhii O. Borodianska Hanna Yu. Zagornyi Maksym M. Kovalenko Olha A. Kolesnichenko Valery H. Kravchuk Karyna L. Lobunetsʹ Tetiana F. Makohon Viktor A. Patsui Viktor I Petukhov Oleksandr S. Poznii Anatolii P. Tyshchenko Nadiya I. Tomyla Tamara V. Tulinova Alla S. Umerova Saide O. Shyrokov Oleksyj V. popup.nrat_date 2021-02-03 Close