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  1. No Access

    Article

    Synthesis and Optical Properties of YAG : Ce Ceramics with a High Cerium Concentration

    Samples of YAG : Се optical ceramics with an activator concentration of 0.5, 1, 5, and 10 at. % were synthesized by a solid-phase method. The synthesis of the samples containing 10 at. % Ce was accompanied by ...

    K. E. Lukyashin, A. V. Ishchenko in Russian Journal of Inorganic Chemistry (2021)

  2. No Access

    Article

    Mechanochemical Synthesis of Apatite with the Simultaneous Substitutions of Calcium by Lanthanum and Phosphate by Silicate

    Some results on the mechanochemical synthesis of apatites with simultaneous substitutions of calcium by lanthanum and of phosphate by silicate are presented. The reagents of reaction mixtures are taken such th...

    S. V. Makarova, N. V. Bulina, I. Yu. Prosanov… in Russian Journal of Inorganic Chemistry (2020)

  3. No Access

    Article

    ZnS Nanopowders and ZnS/Ag2S Heteronanostructures: Synthesis and Properties

    Zinc sulfide ZnS nanopowders were prepared by chemical deposition from aqueous solutions of zinc nitrate and sodium sulfide in the presence of sodium citrate or Trilon B. ZnS/Ag2S heteronanostructures were prepar...

    S. I. Sadovnikov, A. V. Ishchenko… in Russian Journal of Inorganic Chemistry (2020)

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    Chemical Vapor Deposition of Silicon Nanoparticles on the Surface of Multiwalled Carbon Nanotubes

    Chemical vapor deposition (CVD) along with thermal decomposition of monosilane (SiH4) in a fluidized bed of multiwalled carbon nanotubes (MWCNTs) is used to prepare MWCNT-Si composites containing silicon nanopart...

    A. V. Zavorin, V. L. Kuznetsov, S. I. Moseenkov… in Journal of Structural Chemistry (2020)

  5. No Access

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    Structure Formation of Zinc-Substituted Hydroxyapatite during Mechanochemical Synthesis

    Zinc-substituted hydroxyapatite samples with a preset degree of substitution (Са10 –хZnx(PO4)6(OH)2, x = 0.1–2.0) have been synthesized by a mechanochemical method. The composition of starting components ((Zn(H2P...

    M. V. Chaikina, N. V. Bulina, I. Yu. Prosanov, O. B. Vinokurova… in Inorganic Materials (2020)

  6. No Access

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    Mono-, Bi-, and Trimetallic Catalysts for the Synthesis of Multiwalled Carbon Nanotubes Based on Iron Subgroup Metals

    Formation features of mono- (Fe, Co, Ni), bi- (Fe-Co, Fe-Ni, Co-Ni), and trimetallic (Fe-Co-Ni) catalysts for the synthesis of multiwalled carbon nanotubes (MWCNTs) prepared by the method of polymerized comple...

    G. V. Golubtsov, M. A. Kazakova, A. G. Selyutin… in Journal of Structural Chemistry (2020)

  7. No Access

    Article

    Using Current-Voltage Characteristics to Control the Structure of Contacts in Polyethylene Based Composites Modified by Multiwalled Carbon Nanotubes

    The conductivity of three types of composites prepared by mechanical melt mixing from polyethylene (PE) and multi-walled carbon nanotubes (MWCNTs) with an average diameter of 9.8 nm and an aspect ratio of ∼300...

    S. I. Moseenkov, A. V. Zavorin, A. V. Ishchenko… in Journal of Structural Chemistry (2020)

  8. No Access

    Article

    Synthesis and Luminescence Properties of Tb3+-Doped Aluminum Oxynitride

    We report an experimental study concerned with the synthesis and luminescence properties of Al5O6N aluminum oxynitride doped with Tb3+ in the concentration range 0.025–0.5 at %. All of the samples, prepared by fi...

    N. S. Akhmadullina, A. V. Ishchenko, V. V. Yagodin, A. S. Lysenkov… in Inorganic Materials (2019)

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    In situ Study of Structural Transformations of the Active Phase of VMoNbTeO Catalysts under Reduction Conditions

    VMoNbTeO catalysts show high activity in the reactions of selective oxidation of ethane and propane. Time-resolved X-ray diffraction is used to study structural transformations of a mixed oxide with the compos...

    T. Yu. Kardash, A. S. Marchuk, A. V. Ishchenko… in Journal of Structural Chemistry (2019)

  10. 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)

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    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)

  12. 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)

  13. 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)

  14. 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)

  15. 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)

  16. 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)

  17. No Access

    Article

    Effect of dopant concentration on the phase composition and luminescence properties of Eu2+- and Ce3+-doped AlONs

    Herein we report the synthesis of aluminum oxynitride (Al5O6N) doped with Eu2+ and Ce3+ and examine the effects of the dopant concentration and the nature of the rare-earth-containing precursor (europium and ceri...

    N. S. Akhmadullina, A. S. Lysenkov, A. A. Ashmarin, Yu. F. Kargin… in Inorganic Materials (2015)

  18. No Access

    Article

    Maleates of Mn(II), Fe(II), Co(II), and Ni(II) as precursors for synthesis of metal-polymer composites

    Comparison was made for the structural, IR spectral, and thermoanalytical characteristics of normal [M1(H2O)2(C4H2O4)](H2O) (M1 = Co(II) and Ni(II)) and acid maleates [M2(H2O)4(C4H3O4)2] (M2 = Mn(II), Fe(II), Co(...

    L. I. Yudanova, V. A. Logvinenko… in Russian Journal of Inorganic Chemistry (2014)

  19. No Access

    Article

    Preparation of a copper-polymer composite through the thermolysis of copper(II) succinate

    A procedure has been proposed for the preparation of copper/polymer composites through Cu(C4H4O4) · H2O succinate thermolysis. Three types of copper nanoparticles have been incorporated into a fibrous carbon-poly...

    L. I. Yudanova, V. A. Logvinenko, N. F. Yudanov, N. A. Rudina… in Inorganic Materials (2014)

  20. No Access

    Article

    A tem study of MoVTe(Nb) oxide catalysts for the selective conversion of propane

    The structure of X-ray amorphous precursors of MoVTeO and MoVTeNbO oxide catalysts and their conversion at high-temperature treatment and under exposition in the reaction medium is studied by analytical transm...

    A. V. Ishchenko, E. V. Ishchenko, T. V. Andrushkevich in Journal of Structural Chemistry (2014)

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