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  1. No Access

    Article

    Structural evolution of zirconia nanopowders as a coagulation process

    The coagulation character of structural evolution in zirconia nanopowders is shown within the Brownian dynamics model for dispersed media (based on electron microscopy and X-ray diffraction data).

    A. S. Doroshkevich, I. A. Danilenko, T. E. Konstantinova… in Crystallography Reports (2010)

  2. No Access

    Article

    Equal-Channel Multi-Angle Pressing Effect on the Properties of NbTi Alloy

    An improvement of NbTi alloy functional properties by equal-channel multi-angle pressing (ECMAP) combined with hydrostatic extrusion, drawing and thermal treatment is revealed. The ECMAP method allows to incre...

    V. A. Beloshenko, T. E. Konstantinova… in Journal of Superconductivity and Novel Mag… (2009)

  3. No Access

    Article

    Variation in the EPR characteristics of nanosized zirconia particles under exposure to X-ray radiation and annealing in hydrogen

    The effects of various external factors on the properties of nanosized zirconia particles are studied using electron paramagnetic resonance. It is shown that x-rays initiate radiation-stimulated oxidation of c...

    I. P. Bykov, A. B. Brik, M. D. Glinchuk, V. V. Bevz… in Physics of the Solid State (2008)

  4. No Access

    Article

    Influence of yttrium on EPR characteristics of chromium ions in nanoscale particles of zirconium dioxide

    The EPR and proton magnetic resonance methods were applied to study zirconium hydroxide samples which transformed to nanoscale ZrO2 powders upon annealing. The samples were obtained from solutions with mixture co...

    I. P. Bykov, A. B. Brik, M. D. Glinchuk, V. V. Bevz… in Physics of the Solid State (2007)

  5. No Access

    Article

    Luminescence from thermally doped nanopowders of zirconia

    The luminescence of yttria-doped tetragonal zirconia (ZrO2-4.4 mol % Y2O3) nanopowders with an average particle size of 15 nm that are prepared by the codeposition of hydroxides from nitrate solutions is studied....

    Yu. Yu. Bacherikov, S. V. Optasyuk, T. E. Konstantinova… in Technical Physics (2007)

  6. No Access

    Article

    Effect of magnetic pulsed field on luminescence of zinc sulfide doped with CuCl, In, and MnS

    The effect of a magnetic pulsed field (MPF) of induction B = 1 T on photoluminescence, electroluminescence, and luminescence excitation spectra of powdered ZnS doped with CuCl, In, and MnS is investigated. It ...

    Yu. Yu. Bacherikov, N. V. Kitsyuk, T. E. Konstantinova… in Journal of Applied Spectroscopy (2007)

  7. No Access

    Article

    Investigation of the structure of nanocrystalline refractory oxides by X-ray diffraction, electron microscopy, and atomic force microscopy

    The structures of nanocrystalline fibrous powders of refractory oxides have been investigated by different methods: determination of coherent-scattering regions, scanning electron microscopy (SEM), transmissio...

    T. M. Ulyanova, L. V. Titova, S. V. Medichenko, Yu. G. Zonov… in Crystallography Reports (2006)

  8. No Access

    Chapter and Conference Paper

    GRAPHITE INTERCALATION AS A WAY TO CARBON-CARBON COMPOSITES AND CARBON NANOSCROLLS

    New simple methods for synthesis of carbon-carbon, as well as carbon-carbon-TiO2 composites and carbon nanoscrolls were proposed making useof readily available graphite intercalation compounds.

    M.V. Savoskin, A.P. Yaroshenko… in New Carbon Based Materials for Electrochem… (2006)

  9. No Access

    Article

    Behavior of the glass transition and crystallization temperatures of the oxide glass MgO-Al2O3-SiO2 under external influences

    The kinetics of the glass transition Tg and crystallization Tcr temperatures of the glass MgO-Al2O3-SiO2 is studied under conditions of annealing in the glass transition interval and after treatment with a pulsed...

    V. I. Alekseenko, G. K. Volkova, I. B. Popova, I. K. Nosolev… in Technical Physics (1997)