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  1. Article

    Open Access

    Obtaining Plasma–Dust Clouds from Meteoritic Matter, its Analogs and Simulants of Lunar Regolith Using Microwave Discharge

    In the experiment, plasma–dust clouds were obtained from the substance of the Tsarev meteorite, a simulant of lunar regolith LMS-1D and ilmenite concentrate using a microwave discharge in powder media. For eac...

    V. D. Borzosekov, N. S. Akhmadullina, A. S. Sokolov… in Solar System Research (2024)

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  2. No Access

    Article

    Effects of the Synthesis Temperature on the Intrinsic Luminescence in g-C3N4

    Samples of graphite-like carbon nitride g-C3N4 are synthesized via the thermal annealing of urea in air at temperatures of 450–600°C. The relationship between the structural and morphological features of the mate...

    N. A. Martemyanov, I. N. Ilyashenko… in Bulletin of the Russian Academy of Science… (2022)

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    Article

    Luminescent Properties of Sapphire Single Crystals Irradiated with a Pulsed Fe10+ Ion Beam

    The optical and luminescent properties of sapphire single crystals irradiated by a pulsed Fe10+ ion beam with an energy of 200 keV are studied. The results of measurements of optical absorption, photoluminescence...

    G. R. Ramazanova, D. V. Ananchenko, S. V. Nikiforov… in Optics and Spectroscopy (2021)

  4. 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)

  5. 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)

  6. No Access

    Article

    Thermoexoelectronic and thermoluminescent properties of transparent YAG:Nd and YAG:Yb nanoceramics

    Preliminary investigations of thermoluminescent and thermoexoelectronic properties of transparent microstructured YAG:Nd and YAG:Yb ceramics are performed. Five peaks of thermostimulated luminescence are found...

    A. V. Ishchenko, V. V. Vakhter… in Bulletin of the Russian Academy of Science… (2014)

  7. No Access

    Article

    Mechanochemical Synthesis of Hydroxyapatite and Its Modifications: Composition, Structure, and Properties

    The mechanochemical method is used to synthesize samples of hydroxyapatite (HA) with substitution of the phosphate ion by silicate and zirconate ions, and substitution of calcium ions by copper ions. In the pr...

    M. V. Chaikina, N. V. Bulina, A. V. Ishchenko, I. Yu. Prosanov in Russian Physics Journal (2014)

  8. No Access

    Article

    Luminescence properties of Li6GdB3O9:Ce crystal fibers upon their excitation in the range of 4d → 4f core transitions

    We have investigated UV luminescence with a subnanosecond time resolution of Li6GdB3O9:Ce crystal fibers upon their ultrasoft X-ray selective excitation at 10 and 293 K in the range of 4d → 4f core transitions. W...

    I. N. Ogorodnikov, I. N. Sedunova, V. Yu. Ivanov, B. V. Shulgin… in Optics and Spectroscopy (2013)

  9. No Access

    Article

    Investigation of Fe-Co catalyst active component during multi-walled carbon nanotube synthesis by means of synchrotron radiation X-ray diffraction

    The investigation of the catalyst active component formation during multi-walled carbon nanotube (MWCNT) synthesis was carried out by means of in situ and ex situ synchrotron radiation X-ray diffraction. The d...

    D. V. Krasnikov, A. N. Shmakov… in Bulletin of the Russian Academy of Science… (2013)

  10. No Access

    Article

    Photoinduced transparency of a suspension of onion-like carbon nanoparticles

    We have observed the phenomenon of photoinduced transparency in a suspension of onion-like carbon (OLC) nanoparticles in N,N-dimethylformamide (DMF) under the action of high-power laser radiation (λ = 1064 nm)...

    G. M. Mikheev, V. L. Kuznetsov, D. L. Bulatov, T. N. Mogileva… in Technical Physics Letters (2009)

  11. No Access

    Article

    Scintillation neutron detectors based on 6Li-silica glass doped with cerium

    The photoluminescence (PL), PL excitation, and PL decay kinetics of 6Li2O-MgO-SiO2-Ce glasses were studied using time-resolved VUV spectroscopy. The Ce3+ ion PL excitation spectrum contains a known group of struc...

    B. V. Shul’gin, V. L. Petrov, V. A. Pustovarov, V. I. Arbuzov… in Physics of the Solid State (2005)