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  1. No Access

    Article

    Calcium–Borosilicate Glass-Ceramics as a Sealant for Solid Oxide Fuel Cells

    The applicability of calcium–borosilicate glass-ceramics with high boron oxide content as a sealant for solid oxide fuel cells is studied. Chemical composition of the studied materials is: 33 mol % CaO, 21 mol...

    A. O. Zhigachev, S. I. Bredikhin, E. A. Agarkova… in Russian Journal of Electrochemistry (2024)

  2. No Access

    Article

    Surface Crystallization and Magnetization-Reversal Processes in Amorphous Microwires

    The bulk-inhomogeneous crystallization of amorphous microwires of the composition Fe73.8Cu1Nb3.1B9.1Si13 is studied. An assumption is put forward concerning the influence of the inhomogeneous distribution of tens...

    O. I. Aksenov, A. A. Fuks, G. E. Abrosimova… in Journal of Surface Investigation: X-ray, S… (2023)

  3. No Access

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    Solid Oxide Fuel Cells’ Prospects for Landfill Gas Utilization in Russia

    The problem of municipal solid wastes' (MSW) utilization is one of the most actual all over the world nowadays. In Russia, landfills are still the main way for MSW utilization. However, waste decomposition, le...

    D. A. Agarkov, S. I. Bredikhin, S. V. Kiseleva, D. V. Matveev… in Thermal Engineering (2023)

  4. No Access

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    Formation and Electrochemical Activity of Nanostructured Anodes of Solid Oxide Fuel Cells in Hydrogen-Containing Atmospheres

    A comparative analysis of the features of the formation, morphology, and electrochemical activity of composite anodes of solid oxide fuel cells was performed using nanosized particles of NiO and Ce0.8Gd0.2O2 – δ....

    E. V. Tsipis, I. N. Burmistrov, D. A. Agarkov, D. V. Matveev… in Nanotechnologies in Russia (2020)

  5. No Access

    Article

    Electrochemical Behavior of (Fe,Ni)Ox-Based Anodes for Solid-Oxide Fuel Cells in Methane-Containing Atmospheres

    The work is devoted to investigation of the electrochemical behavior of (Fe,Ni)Ox-based composite anodes in the hydrogen- and methane-containing fuel. Among the studied composites, the optimum electrochemical cha...

    V. A. Kolotygin, A. I. Ivanov, D. V. Matveev… in Russian Journal of Electrochemistry (2020)

  6. No Access

    Article

    Hydrogenation and Dehydrogenation of the Clathrate Na x Si136

    Samples of the clathrate Na x Si136 were saturated with hydrogen to 100 atm at 25°C in a Sievertstype apparatus and at pressures of 6 and 28 kbar in lentil-type high-pressure app...

    V. S. Efimchenko, O. I. Barkalov, V. I. Kulakov… in Russian Journal of Inorganic Chemistry (2018)

  7. No Access

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    Structural and magnetic ordering of CrNb3S6 single crystals grown by gas transport method

    Paramagnetic layered semiconductor NbS2 doped with some transition metals can transform into ferromagnetic material. That is why such materials are promising candidates for spintronic devices. It is found that on...

    E. B. Borisenko, V. A. Berezin, N. N. Kolesnikov… in Physics of the Solid State (2017)

  8. No Access

    Article

    Regularities of high-temperature oxidation of current collectors of solid oxide fuel cells due to diffusion processes in subsurface regions

    A complex study of regularities of oxidative reactions is carried out in subsurface layers of current collectors of solid oxide fuel cells manufactured of Crofer 22APU or Crofer 22H stainless steel. The method...

    N. V. Demeneva, D. V. Matveev, V. V. Kharton… in Russian Journal of Electrochemistry (2016)

  9. No Access

    Article

    Evolution of magnetic properties of amorphous Fe78Si13B9 alloy during deformation and subsequent heat treatment

    The structure and properties of the amorphous Fe78Si13B9 alloy were studied after severe plastic deformation and subsequent heat treatment. The deformation was performed by torsion under high pressure at room tem...

    E. A. Pershina, G. E. Abrosimova, A. S. Aronin, D. V. Matveev in Physics of the Solid State (2015)

  10. No Access

    Article

    Structure of graphene nanotube hybrid materials produced via single-stage CVD

    The structures of graphene layer-carbon nanotube hybrid films produced via CVD with a single-stage flow of acetylene into a chamber containing a prepared substrate are studied. It is shown that such films have...

    V. N. Matveev, V. I. Levashov… in Bulletin of the Russian Academy of Science… (2014)

  11. No Access

    Article

    Self-oscillatory class-D power amplifiers with a hysteresis-free relay element

    For a self-oscillatory class-D power amplifier, structural models and mathematical formulas are derived by the harmonic-balance method, in order to calculate the frequency and amplitude of self-oscillations an...

    G. A. Belov, D. V. Matveev in Russian Electrical Engineering (2013)

  12. No Access

    Article

    Synthesis and properties of antimony-doped ZnO nanorods

    This paper describes a process for the synthesis of ZnO〈Sb〉nanorods containing controlled antimony concentrations. We have optimized the synthesis of ZnO〈Sb〉nanorods to maximize their length-to-diameter ratio....

    A. N. Baranov, A. A. Kovalenko, O. V. Kononenko, E. V. Emelin… in Inorganic Materials (2013)

  13. No Access

    Article

    Electrical properties of Pd-contacted single-walled carbon nanotubes: a scanning probe microscopy study

    Pd is widely used in producing electrodes to single-walled carbon nanotubes (SWNT). However up to now its ability to form ohmic contacts to SWNTs was not employed in scanning probe microscopy (SPM). Here we pr...

    O. V. Kononenko, S. I. Bozhko, V. N. Matveev… in MRS Online Proceedings Library (2010)

  14. No Access

    Article

    Selective growth of single-wall carbon nanotubes and the fabrication of devices on their basis

    Single-wall carbon nanotubes were synthesized on specified parts of oxidized silicon substrates by single acetylene burst CVD and studied with high-resolution scanning electron and scanning probe micro-scopes....

    O. V. Kononenko, V. N. Matveev… in Bulletin of the Russian Academy of Science… (2010)

  15. No Access

    Article

    Synthesis of α-SiC nanocrystals by carbothermal reduction of spherical nanoparticles of amorphous silicon dioxide

    The method for carbothermal reduction of spherical particles of amorphous silicon dioxide is developed, and hexagonal α-SiC polytype nanocrystals are synthesized. The prepared samples are characterized by X-ra...

    A. A. Zhokhov, V. M. Masalov, D. V. Matveev, M. Yu. Maksimuk… in Physics of the Solid State (2009)

  16. No Access

    Article

    Dependence of the amount of a nanocrystalline phase in the amorphous Fe80B20 alloy on the degree of severe plastic deformation

    Conditions for the formation of nanocrystals in the amorphous Fe80B20 alloy under the effect of severe plastic deformation (SPD) have been investigated by electron microscopy and X-ray diffraction. The dependence...

    G. E. Abrosimova, A. S. Aronin, S. V. Dobatkin… in The Physics of Metals and Metallography (2008)

  17. No Access

    Article

    Electrodeposition of chromium-molybdenum alloy from electrolyte based on chromium(III) sulfate

    The conditions of chromium-molybdenum plating from the electrolytes based on chromium(III) compounds are studied. It is shown that the deposits containing to 2 wt % molybdenum can be obtained by introducing so...

    V. V. Kuznetsov, D. V. Matveev in Russian Journal of Electrochemistry (2008)

  18. No Access

    Article

    Observation of the magnetic domain structure in Cu0.47Ni0.53 thin films at low temperatures

    We report on the first experimental visualization of domain structure in films of weakly ferromagnetic Cu0.47Ni0.53 alloy with different thickness at liquid helium temperatures. Improved high-resolution Bitter de...

    I. S. Veshchunov, V. A. Oboznov, A. N. Rossolenko, A. S. Prokofiev… in JETP Letters (2008)

  19. No Access

    Article

    Nanocrystallization of an amorphous Fe80B20 alloy during severe plastic deformation

    The structural evolution of an amorphous Fe80B20 alloy subjected to severe plastic deformation at room temperature or at 200°C was studied. Deformation leads to the formation of α-Fe nanocrystals in an amorphous ...

    G. E. Abrosimova, A. S. Aronin, S. V. Dobatkin… in Physics of the Solid State (2007)

  20. No Access

    Article

    Growth, crystal structure and stability of Ag-Ni/Cu films

    AgxNi1−x (x=0.0–1.0) films were grown on Cu substrates by electrodeposition method. The films were found to be a nanocrystalline mixture of pure silver and nickel. The grain sizes were determined by X-ray diffrac...

    I. K. Bdikin, G. K. Strakova, G.V. Strukov, V.V. Kedrov… in MRS Online Proceedings Library (2005)

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