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  1. No Access

    Article

    Features of the Thermolysis of Fe(II), Co(II), Ni(II), and Cu(II) Salts of Maleic and Phthalic Acids with the Formation of Metal Nanoparticles

    A relationship is established between the structural and thermoanalytical characteristics of the decomposition of hydrogen maleates and phthalates of Fe(II), Co(II), Ni(II), Cu(II). The temperatures of the ons...

    L. I. Yudanova, V. A. Logvinenko… in Russian Journal of Physical Chemistry A (2019)

  2. No Access

    Article

    Synthesis and Luminescent Properties of Bismuth Titanates Bi1.6HoxTi2O7 – δ and Bi1.6Mg0.1HoxTi2O7 – δ

    Pyrochlores Bi1.6HoxTi2O7 – δ and Bi1.6Mg0.1Ho xTi2O7 – δ, where x = 0, 0.01, 0.05, and 0.1, and Bi1.5HoxTi2O7 – δ, where x = 0.25 and 0.5, have been synthesized and their structural, optical, and luminescence pr...

    A. V. Ishchenko, M. S. Koroleva, M. I. Vlasov, E. I. Istomina… in Physics of the Solid State (2019)

  3. 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)

  4. No Access

    Article

    Thermal Decomposition in Systems of Acid Zn(II), Co(II), and Ni(II) Maleates with the Formation of Metallic Nanoparticles

    Conditions of synthesis are optimized and XRD and thermoanalytical studies are performed for normal maleate [Zn(H2O)2(C4H2O4)] and acid maleate [Zn(H2O)4(C4H3O4)2], along with acid Co(II)–Zn(II), Ni(II)–Zn(II) ma...

    L. I. Yudanova, V. A. Logvinenko… in Russian Journal of Physical Chemistry A (2018)

  5. No Access

    Article

    Radiation-Induced Effects in Ce3+- and Eu2+-Doped Al5O6N

    Polycrystalline Al5O6N samples have been prepared by sol–gel synthesis followed by carbothermal reduction and nitridation. X-ray luminescence (XRL) spectra and thermoluminescence (TL) curves of Ce3+- and Eu2+-dop...

    V. V. Yagodin, A. V. Ishchenko, M. N. Sarychev, G. F. Babailova… in Inorganic Materials (2018)

  6. No Access

    Article

    Transport features in layered nickelates: correlation between structure, oxygen diffusion, electrical and electrochemical properties

    Oxygen migration is increasingly acknowledged as playing an important role in the ionic transport in mixed conductors and influencing the electrode electrochemical performance. The aim of this work was to esta...

    V. A. Sadykov, E. M. Sadovskaya, E. Yu. Pikalova, A. A. Kolchugin, E. A. Filonova… in Ionics (2018)

  7. No Access

    Article

    Temperature Hysteresis in the Reaction of Methane Oxidation on a Palladium-Doped Manganese Hexaaluminate Catalyst

    A study of the Pd-containing catalyst based on manganese hexaaluminate by X-ray diffraction analysis, transmission electron microscopy, thermo-programmed reduction with hydrogen, and thermoprogrammed oxidation...

    S. A. Yashnik, Z. S. Vinokurov, A. V. Salnikov, A. V. Ishchenko… in Kinetics and Catalysis (2018)

  8. No Access

    Article

    Oxidative dehydrogenation of ethane on VMoTeNbО/Al–Si–O catalysts: Effect of the support on the physicochemical and catalytic properties

    Supported oxide catalysts of the overall composition V0.3Mo1Te0.23Nb0.12/nAl–Si–O (n = 0, 10, 25, 35, 50, and 70 wt %) were tested in oxidative dehydrogenation of ethane and were characterized by chemical analysi...

    V. M. Bondareva, E. V. Ishchenko, T. Yu. Kardash… in Russian Journal of Applied Chemistry (2017)

  9. No Access

    Article

    Regularities of thermolysis for the Fe(II), Co(II), and Ni(II) salts of maleic and ortho-phthalic acids with the formation of metal/polymer composites

    Regularities of the thermolysis of acidic salts of unsaturated (maleic) [M(H2O)4(C4H3O4)2] and aromatic (ortho-phthalic) [M(H2O)6](C8H5O4)2 (M = Fe(II), Co(II), and Ni(II)) acids are established. The thermolysis ...

    L. I. Yudanova, V. A. Logvinenko… in Russian Journal of Coordination Chemistry (2017)

  10. No Access

    Article

    Sol–gel synthesis of 2D and 3D nanostructured YSZ:Yb3+ ceramics

    This paper presents results of a detailed study of fundamental aspects of the formation of 2D and 3D nanostructured YSZ:Yb3+ ceramics with a cubic structure through a key synthesis step in aqueous solutions of zi...

    O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko, E. V. Pestryakov… in Inorganic Materials (2017)

  11. No Access

    Article

    The effect of the synthesis method on the morphological and luminescence characteristics of α-Zn2V2O7

    A promising yellow phosphor, α-Zn2V2O7, was synthesized at temperatures below the phase transition temperature (610 ± 5°C) by three different methods: solid-phase and microwave processes and thermolysis of a wate...

    T. I. Krasnenko, R. F. Samigullina… in Russian Journal of Inorganic Chemistry (2017)

  12. No Access

    Article

    The Nature of Synergetic Effect of Manganese Oxide and Platinum in Pt–MnOX–Alumina Oxidation Catalysts

    The phase and chemical compositions, size and morphology of Pt particles, manganese oxides, and alumina in the binary Pt–MnOx–alumina catalysts have been studied and compared with Redox behaviors and catalytic pr...

    S. A. Yashnik, A. V. Ishchenko, L. S. Dovlitova, Z. R. Ismagilov in Topics in Catalysis (2017)

  13. No Access

    Article

    Thermal decomposition of solid solutions in systems of Fe(II), Co(II), and Ni(II) hydrogen maleates with the formation of bimetallic nanoparticles

    XRD phase analysis and thermal analysis are used to confirm the formation of a continuous series of solid solutions in which one cation is substituted for another in the systems Co(II) hydrogen maleate–Ni(II) ...

    L. I. Yudanova, V. A. Logvinenko… in Russian Journal of Physical Chemistry A (2017)

  14. No Access

    Article

    Towards the optimization of carbon nanotube properties via in situ and ex situ studies of the growth mechanism

    The synthesis conditions of multi-walled carbon nanotubes (MWCNTs) indirectly determine their application potential through the decisive role in the characteristics of individual tubes: diameter distribution, ...

    D. V. Krasnikov, A. N. Shmakov, V. L. Kuznetsov… in Journal of Structural Chemistry (2016)

  15. No Access

    Article

    Atomic-force microscopy of erythrocytes and metabolic disorders in experimental diabetes mellitus and during the correction of diabetes with lipoic acid

    Lipid peroxidation in blood plasma and red blood cells was shown to have minor effects on the state of the erythrocyte membranes in rats with alloxan diabetes. Administration of α-lipoic acid to rats with allo...

    V. V. Emelianov, D. V. Leontev, A. V. Ishchenko, T. S. Bulavintseva… in Biophysics (2016)

  16. No Access

    Article

    The Effect of Heat-Treatment Temperature of Cobalt–Boron Catalysts on Their Activity in Sodium Borohydride Hydrolysis

    The activity of cobalt–boron catalysts in sodium borohydride hydrolysis has been correlated with change of structure in the active component of the catalysts upon their thermal treatment. It was shown that at ...

    O. V. Netskina, A. M. Ozerova, O. V. Komova, D. I. Kochubey… in Topics in Catalysis (2016)

  17. No Access

    Article

    In situ powder X-ray diffraction study of the process of NiMoO4–SiO2 reduction with hydrogen

    An interest in NiMoО4–SiO2 reduction stems from its promising use as catalysts for hydrodeoxygenation and hydrodesulfurization processes. The work exploits in situ X-ray diffraction to investigate phase transform...

    O. A. Bulavchenko, A. A. Smirnov, S. A. Khromova… in Journal of Structural Chemistry (2016)

  18. No Access

    Article

    Effect of SiO2 on the physicochemical and catalytic properties of VMoTeNbО catalyst in oxidative conversion of ethane

    Supported oxide catalysts of the overall composition V0.3Mo1Te0.23Nb0.12/n SiO2 (n = 0, 10, 25, 35, and 50 wt %) were tested in oxidative conversion of ethane to ethylene and were characterized by chemical analys...

    V. M. Bondareva, E. V. Ishchenko, T. Yu. Kardash… in Russian Journal of Applied Chemistry (2016)

  19. No Access

    Article

    Structure and properties of Pd–Mn hexaaluminate catalysts modified with platinum for the high-temperature oxidation of methane

    The effect of Pt additives on the catalytic characteristics of a Pd-containing catalyst based on manganese hexaaluminate was studied. It was found that the bimetallic PtPd-containing catalysts based on MnLaAl11O1...

    S. A. Yashnik, T. A. Surovtsova, A. V. Ishchenko, V. V. Kaichev… in Kinetics and Catalysis (2016)

  20. No Access

    Article

    Thermolysis characteristics of salts of o-phthalic acid with the formation of Fe, Co, Ni, Cu metal particles

    Studies of the thermolysis of ortho-[Ni(H2O)2(C8H4O4)](H2O)2, [Cu(H2O)(C8H4O4)], and acid [M(H2O)6](C8H5O4)2 (M(II) = Fe(II), Co(II), and Ni(II)), [Cu(H2O)2(C8H5O4)2] phthalates reveal that the solid products of ...

    L. I. Yudanova, V. A. Logvinenko, N. F. Yudanov… in Russian Journal of Physical Chemistry A (2016)

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