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  1. No Access

    Article

    Physicochemical Transformations of Boron Carbide at High Temperatures and High Pressures of Shock Compression

    Experiments were carried out on multiple shock wave compression and subsequent storage of powdered samples of boron carbide. The samples were subjected to the stepwise shock compression. Steel-tungsten capsule...

    A. M. Molodets, A. A. Golyshev, G. V. Shilov in High Temperature (2022)

  2. No Access

    Article

    Crystal Structures of Rb- and Ag-Substituted Forms of Natural Zeolite Amicite

    The crystal structures of ion-exchange products of the zeolite-group mineral amicite from Khibiny Alkaline Massif with silver and rubidium salts have been studied. The investigated samples are monoclinic (sp. ...

    O. N. Kazheva, N. V. Chukanov, N. A. Chervonnaya, D. A. Varlamov… in Crystallography Reports (2021)

  3. No Access

    Article

    Thermochemical and Energy Characteristics of Dimers of Terfurazanoazepines

    The heat of combustion and the enthalpy of formation of 7,7′-bis(terfurazan[3,4-b:3,4′-d:3″,4″-f]azepine (I) and 1,1′-dioxide-7,7′-bis(terfurazan[3,4-b:3,4′-d:3″,4″-f] azepine (II), were experimentally determined...

    D. B. Lempert, A. I. Kazakov, A. V. Nabatova… in Combustion, Explosion, and Shock Waves (2020)

  4. No Access

    Article

    Melting of Shocked Boron Carbide

    The aim of this work is to determine the melting temperature of boron carbide at high shock pressures. To this end, powder boron carbide samples have been compressed by shock waves with an amplitude of 60–80 G...

    A. M. Molodets, A. A. Golyshev, G. V. Shilov in JETP Letters (2020)

  5. No Access

    Article

    Densification of Crystalline Boron Carbide during Shock-Wave Loading

    Crystalline powder boron carbide samples are subjected to explosive loading by 2-μs shock waves with an amplitude of 38 GPa and shock heating to 700 K and to subsequent conservation. The samples recovered afte...

    A. M. Molodets, A. A. Golyshev, G. V. Shilov in Journal of Experimental and Theoretical Ph… (2020)

  6. No Access

    Article

    Synthesis and Molecular Structures of (3-Hydroxy, 3-Chloro, 3-Arylamino)-N-acetyl-3-arylaminotropones

    The structures of 5,7-di(tert-butyl)-2-(5,8-dimethyl-4-piperidinoquinolin-2-yl)-3-hydroxytropone, 5,7-di(tert-butyl)-3-chloro-2-(5,8-dimethyl-4-piperidinoquinolin-2-yl)tropone, 5,7-di(tert-butyl)- 3-(3,5-dimethyl...

    V. V. Tkachev, Yu. A. Sayapin, E. A. Gusakov, A. A. Kolodina… in Crystallography Reports (2018)

  7. No Access

    Article

    Quantum oscillations in dual-layered quasi-two-dimensional organic metal (ET)4HgBr4(C6H4Cl2)

    The behavior of de Haas–van Alfven (dHvA) and Shubnikov–de Haas (ShdH) quantum oscillations in dual-layered quasi-two-dimensional organic metal (ET)4HgBr4(C6H4Cl2) is investigated. The oscillation spectra qualita...

    R. B. Lyubovskii, S. I. Pesotskii… in Journal of Experimental and Theoretical Ph… (2016)

  8. No Access

    Article

    Shubnikov-de Haas oscillations in a new dual-layered quasi-two-dimensional organic metal (BETS)4CoBr4(C6H4Cl2)

    The interlayer and intralayer resistances and Shubnikov-de Haas oscillations in a new dual-layered quasi-two-dimensional organic metal (BETS)4CoBr4(C6H4Cl2) with a periodically varying structure of cation layers ...

    R. B. Lyubovskii, S. I. Pesotskii, G. V. Shilov, E. I. Zhilyaeva… in JETP Letters (2013)

  9. No Access

    Article

    Magnetic properties of single crystals based on photochromic molecules of spiropyrans and chromium oxalates

    The influence of UV irradiation on the effective magnetic moment and the Weiss temperature of single crystals based on photochromic molecules of spiropyrans and chromium oxalates is revealed. It is demonstrate...

    R. B. Morgunov, F. B. Mushenok, S. M. Aldoshin, E. A. Yur’eva… in Physics of the Solid State (2009)

  10. No Access

    Article

    Investigation of the molecular and crystalline structure of 2,4,6-triazido-3-chloro-5-trifluoromethylpyridine and rotation barrier of the γ-azidogroup around a C-N bond

    The molecular and crystalline structure of 2,4,6-triazido-3-chloro-5-trifluoromethylpyridine has been investigated by X-ray diffraction at temperatures of 200 and 293 K. The triazide molecule is nonplanar, and...

    S. M. Aldoshin, D. V. Korchagin… in Bulletin of the Russian Academy of Science… (2008)

  11. No Access

    Article

    Spin-frustrated antiferromagnets based on BEDT-TTF and manganese dicyanamide complexes

    The magnetic properties of new radical cation salts (BEDT-TTF)2[CuMn(dca)4] (I) and (BEDT-TTF)2[Mn(dca)3] (II) [where BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene and dca = N(CN2)] are investigated using supe...

    R. B. Morgunov, E. V. Kurganova, Y. Tanimoto, A. S. Markosyan… in Physics of the Solid State (2007)

  12. No Access

    Article

    Synthesis, conductivity, and the crystal structure of a new stable metal, β″-(DOEO)2HSeO4 · H2O

    The stable metal β″-(DOEO)2HSeO4 · H2O I) based on a new donor compound, 3,4-(1,4-dioxanediyl-2,3-dithio)-3′,4′-ethylenedioxo-2,5,2′,5′-tetrathiafulvalene] (DOEO), is synthesized and structurally characterized fo...

    A. A. Bardin, A. I. Kotov, G. V. Shilov, L. I. Buravov in Crystallography Reports (2005)

  13. No Access

    Article

    Synthesis, crystal structure, and conducting properties of a new molecular metal, (BEDO)4Ni(CN)4 · 4CH3CN

    A new radical cation salt based on bis(ethylenedioxy)tetrathiafulvalene (BEDO) with the planesquare anion Ni(CN) 4 2− is synthesized. The molecular and crystal...

    A. D. Dubrovskii, N. G. Spitsina, G. V. Shilov, O. A. D’yachenko… in Crystallography Reports (2005)

  14. No Access

    Article

    Exchange of sodium and silver ions in Na3Sc2(PO4)3 single crystals

    Sodium-and silver-ion exchange in single crystals of two polymorphous modifications of the Na3Sc2(PO4)3 compound has been studied. It is established that in the process of ion exchange, the samples undergo phase ...

    G. V. Shilov, L. O. Atovmyan in Crystallography Reports (2005)

  15. No Access

    Article

    X-ray diffraction study of phase transitions in Na3Sc2(PO4)3 and Ag3Sc2(PO4)3 single crystals in temperature range from 160 to 500 K

    Two phase transitions are revealed for the first time in Ag3Sc2(PO4)3 single crystals in the vicinity of the temperatures 303 and 165–180 K. It is established that the phase transition at 303 K corresponds to the...

    G. V. Shilov, L. O. Atovmyan, V. I. Kovalenko in Crystallography Reports (2005)