Skip to main content

12 Result(s)

within A. V. Zhuzhgov Remove this filter

and

  1. No Access

    Article

    Photoluminescent Properties of Eu3+ in Different γ-, η-, θ-, and α-Al2O3 Polymorphs

    Photoluminescent properties of the Eu3+ ion as a probe are studied in γ-, η-, θ-, and α-Al2O3:Eu3+ polymorphs with an europium concentration of 0.05 wt.%. The photoluminescence (PL) spectra of Eu3+ ions are analy...

    A. I. Kostyukov, M. G. Baronskii, A. V. Zhuzhgov in Journal of Structural Chemistry (2023)

  2. No Access

    Article

    Isobutane Dehydrogenation on CrOx/Al2O3 Nanoparticles Prepared by Laser Synthesis in Various Gases

    The catalytic properties of nCrOx/Al2O3 nanoparticles (n = 4.8 ± 0.05 wt %), which were obtained by laser synthesis in various gases and tested in the isobutane dehydrogenation reaction, were studied in detail fo...

    M. G. Baronskiy, N. A. Zaitseva, A. I. Kostyukov, A. V. Zhuzhgov… in Kinetics and Catalysis (2023)

  3. No Access

    Article

    Synthesis of Barium Aluminate of Disk-Shaped Morphology Using the Product of Centrifugal Thermal Activation of Gibbsite

    Barium aluminate BaAl2O4 of spinel structure was prepared by hydrothermal treatment at 150°С of a suspension of a gibbsite thermal activation product in an aqueous barium nitrate solution, followed by heat treatm...

    A. V. Zhuzhgov, V. Yu. Kruglyakov, E. A. Suprun… in Russian Journal of Applied Chemistry (2022)

  4. No Access

    Article

    Synthesis of Highly Dispersed Aluminum Magnesium Oxides from the Product of Centrifugal Thermal Activation of Gibbsite

    The possibility of preparing magnesium aluminate by the reaction of the product of centrifugal thermal activation of gibbsite with a saturated aqueous solution of magnesium nitrate at room temperature and 150°...

    A. V. Zhuzhgov, V. Yu. Kruglyakov, E. A. Suprun… in Russian Journal of Applied Chemistry (2021)

  5. No Access

    Article

    Low-Temperature Conversion of ortho-Hydrogen to para-Hydrogen over Ni/Al2O3 Supported Catalysts

    Comparative studies of Ni/Al2O3 catalysts during the low-temperature conversion of ortho-hydrogen to para-hydrogen are performed. Industrial alumina of A-64 grade, obtained via precipitation (OAPP-1), and alumina...

    A. V. Zhuzhgov, O. P. Krivoruchko, L. A. Isupova in Russian Journal of Physical Chemistry A (2020)

  6. No Access

    Article

    Synthesis of Highly Dispersed 2D Aluminum Cobalt Oxyhydroxide Compounds Based on Microwave-Activation Products of Crystalline Gibbsite

    We have studied interaction between the microwave activation product of gibbsite and an aqueous cobalt nitrate solution at room temperature, atmospheric pressure, and pH 8.0 ± 0.3. The results demonstrate that...

    A. V. Zhuzhgov, O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko… in Inorganic Materials (2019)

  7. No Access

    Article

    Low-Temperature Conversion of ortho-Hydrogen into Liquid para-Hydrogen: Process and Catalysts. Review

    The present review is devoted to some problems of the production of liquid para-hydrogen by catalytic ortho-para conversion (OPC) of molecular hydrogen at cryogenic temperatures, the catalysts of this process, an...

    A. V. Zhuzhgov, O. P. Krivoruchko, L. A. Isupova, O. N. Mart’yanov… in Catalysis in Industry (2018)

  8. No Access

    Article

    New approach to the novel synthesis of boehmite (γ-AlOOH) by microwave irradiation of gibbsite: Kinetics of solid-phase reactions and dielectric properties of the reactants

    Microwave irradiation of gibbsite is suggested as a method of obtaining crystalline boehmite. The kinetics of solid-state transformations of gibbsite under microwave radiation has been investigated, and the di...

    O. P. Krivoruchko, A. V. Zhuzhgov, V. A. Bolotov, Yu. Yu. Tanashev… in Catalysis in Industry (2014)

  9. No Access

    Article

    Regularities of Lewis site formation upon the microwave irradiation of gibbsite-γ-Al(OH)3

    Spatially separated Lewis acidic and basic sites can be formed upon the microwave irradiation of gibbsite. This is demonstrated by IR spectroscopy and indicates the possibility of the selective activation of c...

    A. V. Zhuzhgov, E. A. Paukshtis… in Russian Journal of Physical Chemistry A (2013)

  10. No Access

    Article

    Appearance of absorption in the visible range in the microwave-induced dielectric gibbsite

    O. P. Krivoruchko, A. V. Zhuzhgov, T. V. Larina, V. N. Parmon in Doklady Physical Chemistry (2013)

  11. No Access

    Article

    The state of Cu2+ ions in concentrated aqueous ammonia solutions of copper nitrate

    Stabilization of Cu2+ ions in concentrated aqueous ammonia solutions of copper nitrate in a wide range of ammonium ion concentrations has been studied by EPR and electronic absorption spectroscopy. Three types of...

    V. F. Anufrienko, R. A. Shutilov, G. A. Zenkovets… in Russian Journal of Inorganic Chemistry (2012)

  12. No Access

    Article

    Unusual bulk amorphization of gibbsite into atomic size aluminum-oxygen complexes occurring within initial microcrystals under microwave radiation

    O. P. Krivoruchko, A. V. Zhuzhgov, D. F. Khabibulin… in Doklady Physical Chemistry (2012)