Перегляд за автором "Nakonechna, O.I."

Сортувати за: Порядок: Результатів:

  • Effect of carbon nanotubes on mechanochemical synthesis of d-metal carbide nanopowders and nanocomposites 
    Nakonechna, O.I.; Dashevskyi, M.M.; Boshko, О.І.; Zavodyannyi, V.V.; Belyavina, N.N. (Успехи физики металлов, 2019)
    The nanoscale mono- (powders) and complex (compacted nanocomposites) carbides of d-transition metals are synthesized by mechanical alloying in a high-energy planetary ball mill from a charge containing the carbon nanotubes. ...
  • Electret properties of Ca₅Nb₄TiO₁₇ with five-layered perovskite-like structure 
    Titov, Y.O.; Slobodyanik, M.S.; Belyavina, N.M.; Nakonechna, O.I.; Chumak, V.V.; Kuzmin, R.M. (Functional Materials, 2017)
    It is found that ceramic thermoelectret based on Ca₅Nb₄TiO₁₇ with five-layered slab perovskite-like structure is characterized by high values of potential external electric field VS which demonstrates enchanced stability ...
  • Electrical Resistivity of the Y(Ga,Al)₂, Y(Ga,Si)₂ and Y(Ga,Ge)₂ Solid Solutions with Structure of AlB₂ Type 
    Semen’ko, M.P.; Bilyavina, N.M.; Nakonechna, O.I. (Металлофизика и новейшие технологии, 2017)
    Electrical properties (resistivity and temperature coefficient of resistivity) of the Y(Ga,Al)₂, Y(Ga,Si)₂ and Y(Ga,Ge)₂ solid solutions are studied using the model coatings deposited on mica substrate. Analysis of temperature ...
  • Influence of Si on microstructure and mechanical properties of TiAISiN hard thin films 
    Nakonechna, O.I.; Zakharenko, M.I. (Functional Materials, 2004)
    Structural and mechanical properties of nanocomposite TiAI(Si)N thin films prepared using arc-plasma PVD deposition technique on WC-Co substrates have been characterized by X-ray diffraction and nanoindentation. TEM have ...
  • Optical properties of TiAISiN based thin films 
    Nakonechna, O.I.; Poperenko, L.V.; Yurgelevych, I.V. (Functional Materials, 2005)
    Spectroellipsometric investigations of optical properties of TiAISiN based thin films have been performed. The dispersive dependences of the film optical conductivity о have been obtained in the 1-5 eV spectral range. The ...
  • Peculiarities of Electrical Conductivity of Metal/Carbon Nanotubes Array 
    Nishchenko, M.M.; Mykhailova, H.Yu.; Prikhodko, G.P.; Dashevskyi, M.M.; Nakonechna, O.I. (Металлофизика и новейшие технологии, 2018)
    A study of the electrical conductivity of mechanical mixture of both the carbon nanotubes (CNTs) (with work function of ≅ 4.7 eV) and the Cu and Al metal microparticles (with lower work functions of 4.2 and 4.0 eV, ...