Перегляд за автором "Prokhvatilov, A.I."

Сортувати за: Порядок: Результатів:

  • Hysteretic phenomena in Xe-doped C₆₀ from x-ray diffraction 
    Prokhvatilov, A.I.; Galtsov, N.N.; Legchenkova, I.V.; Strzhemechny, M.A.; Cassidy, D.; Gadd, G.E.; Moricca, S.; Sundqvist, B.; Aksenova, N.A. (Физика низких температур, 2005)
    Polycrystalline fullerite С₆₀ intercalated with Xe atoms at 575 K and a pressure of 200 MPa was studied by powder x-ray diffraction. The integrated intensities of a few brighter reflections have been utilized to evaluate ...
  • Intercalation of fullerite C₆₀ with N₂ molecules. An investigation by x-ray powder diffraction 
    Galtsov, N.N.; Prokhvatilov, A.I.; Dolgova, G.N.; Cassidy, D.; Gadd, G.E.; Moricca, S.; Sundqvist, B. (Физика низких температур, 2007)
    The lattice parameter a of fullerite C₆₀ intercalated with N₂ molecules is investigated in the temperature interval 6–295 K by x-ray diffraction. It is found that the interstitial molecular N₂ has a considerable effect ...
  • Interlayer Mn–Mn exchange parameter MnPS₃ from x-ray diffraction data 
    Yagotintsev, K.A.; Strzhemechny, M.A.; Prokhvatilov, A.I.; Stetsenko, Yu.E.; Vysochanski, Yu.M. (Физика низких температур, 2012)
    The interlayer distance in MnPS₃ was measured by x-ray diffraction as a function of the temperature in the vicinity of the Néel point of 78 K. A well detectable magnetic striction of about 0.0185% has been documented. Using ...
  • Investigation of the low-temperature mechanical behavior of elastomers and their carbon nanotube composites using microindentation 
    Fomenko, L.S.; Lubenets, S.V.; Natsik, V.D.; Prokhvatilov, A.I.; Galtsov, N.N.; Li, Q.Q.; Koutsos, V. (Физика низких температур, 2019)
    The micromechanical properties of epoxy resin elastomers and their carbon nanotube composites were studied using a microhardness tester equipped with low-temperature chamber. X-ray diffraction analysis indicated that ...
  • Phase diagrams of Ar-Xe, Kr-Xe, and Kr-CO binary alloys 
    Yantsevich, L.D.; Prokhvatilov, A.I.; Barylnik, A.S. (Физика низких температур, 1996)
    Using the powder x-ray diffraction method, the phase diagrams of the binary systems Ar-Хе, Kr-Xe, and Kr-CO have been studied. The molar volumes of these solutions versus temperature and composition have been determined ...
  • Process of intercalation of C₆₀ with molecular hydrogen from XRD data 
    Yagotintsev, K.A.; Stetsenko, Yu.E.; Legchenkova, I.V.; Prokhvatilov, A.I.; Strzhemechny, M.A.; Schafler, E.; Zehetbauer, M. (Физика низких температур, 2009)
    The process of normal hydrogen infusion into a C₆₀ powder at 1 bar and room temperature was monitored using x-ray diffraction. The effect of the intercalation on the lattice proved to be rather weak: the volume expansion ...
  • Properties of solid hydrogen doped by heavy atomic and molecular impurities 
    Galtsov, N.N.; Prokhvatilov, A.I.; Shcherbakov, G.N.; Strzhemechny, M.A. (Физика низких температур, 2003)
    Using powder x-ray diffraction we studied the structural characteristics of normal and para hydrogen crystals doped with Ar, Kr, N₂, and O₂ impurities over the range from 5 K to the melting point of the hydrogen matrix. ...
  • Quench deposited Kr-H₂ and Ar-H₂ mixtures: in quest of impurity-hydrogen gels 
    Strzhemechny, M.A.; Galtsov, N.N.; Prokhvatilov, A.I. (Физика низких температур, 2003)
    The structure and morphology of low-temperature quench condensed binary alloys of hydrogen with argon and krypton were studied by the powder x-ray diffraction. The nominal hydrogen fraction c in both systems was varied ...
  • Structure and microhardness of low pressure polymerized fullerite C₆₀ 
    Isakina, A.P.; Lubenets, S.V.; Natsik, V.D.; Prokhvatilov, A.I.; Strzhemechny, M.A.; Fomenko, L.S.; Aksenova, N.A.; Soldatov, A.V. (Физика низких температур, 1998)
    We have carried out low-temperature x-ray diffraction studies on C₆₀ fullerite polymerized by low quasi-hydrostatic pressure of 1.1 GPa at T = 563 K. It is established that at room temperature in freshly prepared samples ...
  • Structure and photoluminescence of helium-intercalated fullerite C₆₀ 
    Legchenkova, I.V.; Prokhvatilov, A.I.; Stetsenko, Yu.E.; Strzhemechny, M.A.; Yagotintsev, K.A.; Avdeenko, A.A.; Eremenko, V.V.; Zinoviev, P.V.; Zoryansky, V.N.; Silaeva, N.B.; Ruoff, R.S. (Физика низких температур, 2002)
    Intercalation of C₆₀ single crystals with helium was studied by powder x-ray diffractometry. It was established that the intercalation is a two-stage process, octahedral cavities are filled first and then tetrahedral ones, ...
  • Structure and thermal expansion of the low-temperature phase of SF ₂ 
    Isakina, A.P.; Prokhvatilov, A.I.; Rodriguez-Carvajal, J. (Физика низких температур, 2000)
    Powder x-ray and neutron diffraction studies of the crystalline structure, lattice parameters and thermal expansion coefficients of sulphur hexafluoride SF₆ are performed in the temperature range 1.64-110 K. It is shown ...
  • Structure characteristics of methane-doped solid normal hydrogen 
    Galtsov, N.N.; Prokhvatilov, A.I.; Strzhemechny, M.A. (Физика низких температур, 2000)
    Structure studies of the quantum crystal of solid normal hydrogen doped with methane and deuteromethane are carried out by powder x-ray diffraction within the temperature range 5 to 12 K. The concentration of the dopants ...
  • Structure of quench condensed nH₂–N₂ binary alloys: isotope effect 
    Galtsov, N.N.; Prokhvatilov, A.I.; Strzhemechny, M.A. (Физика низких температур, 2007)
    Structure of quench condensed nH₂–N₂ alloys was investigated by powder x-ray diffraction over a wide range of temperatures, compositions, and rates of deposition. The structure of the deposits is shown to depend on the ...
  • The effect of the thermal reduction on the kinetics of low-temperature ⁴He sorption and the structural characteristics of graphene oxide 
    Dolbin, A.V.; Khlistuck, M.V.; Esel’son, V.B.; Gavrilko, V.G.; Vinnikov, N.A.; Basnukaeva, R.M.; Prokhvatilov, A.I.; Legchenkova, I.V.; Meleshko, V.V.; Maser, A.M.; Benito, W.K. (Физика низких температур, 2017)
    The kinetics of the sorption and the subsequent desorption of ⁴He by the starting graphite oxide (GtO) and the thermally reduced graphene oxide samples (TRGO, T reduction = 200, 300, 500, 700 and 900 °C) have been investigated ...