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Перегляд Физика низких температур за темою "Динамика кристаллической решетки"

Репозиторій DSpace/Manakin

Перегляд Физика низких температур за темою "Динамика кристаллической решетки"

Сортувати за: Порядок: Результатів:

  • Ivanov, A.Yu.; Rubin, Yu.V.; Egupov, S.A.; Belous, L.F.; Karachevtsev, V.A. (Физика низких температур, 2013)
    Low-temperature matrix isolation Fourier-transform infrared spectroscopy and quantum-chemical calcula-tions with DFT/B3LYP and MP2 methods were used for investigation of isolated 5-bromouracil (BrU) mole-cules. Only one ...
  • Vetter, M.; Brodyanski, A.; Jodl, H.-J. (2007)
    We investigated the T–c% phase diagram of the binary system N2–CO. From changes in IR spectra of all kinds of mode excitations (phonons, vibrons) we were able to determine the temperature of phase transitions (solid–solid, ...
  • 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 ...
  • Sundqvist, B. (Физика низких температур, 2003)
    A brief review is given of the interaction between fullerite C₆₀ and various gases under elevated pressure. Subjects discussed include the formation of ordered interstitial gas-fullerene compounds, reactions between ...
  • 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 ...
  • Hyldgaard, P. (Физика низких температур, 2001)
    A novel in situ probe of the nanoscale molecular dynamics of organic-molecule and fullerene-tube nanostructures is proposed. General and consistent results for the nonlinear-current coupling to the nanostructure excitations ...
  • Gnezdilov, V.; Choi, K.-Y.; Pashkevich, Yu.; Lemmens, P.; Shiryaev, S.; Bychkov, G.; Barilo, S.; Fomin, V.; Yeremenko, A.V. (Физика низких температур, 2006)
    One- and multi-phonon excitations of the single crystalline LaCoO₃ were studied using Raman spectroscopy in the temperature region of 5–300 K. First-order Raman spectra show a larger number of phonon modes than allowed ...
  • Sumarokov, V.V.; Stachowiak, P.; Jezowski, A. (Физика низких температур, 2003)
    Preliminary results of the thermal conductivity measurements performed in the temperature range 1.5-35 K on pure carbon dioxide are presented. The data below 25 K have been obtained for the first time. The thermal conductivity ...
  • Aleksandrovskii, A.N.; Gavrilko, V.G.; Esel`son, V.B.; Manzhelii, V.G.; Udovidchenko, B.G.; Maletskiy, V.P.; Sundqvist, B. (Физика низких температур, 2001)
    Динамика кристаллической решетки The linear thermal expansion of compacted fullerite C₆₀ alloyed with argon (ArxC₆₀) and neon (NexC₆₀) are investigated by a dilatometric method. The experimental temperature is 2-12 K. ...
  • Aleksandrovskii, A.N.; Bakai, A.S.; Dolbin, A.V.; Esel`son, V.B.; Gadd, G.E.; Gavrilko, V.G.; Manzhelii, V.G.; Moricca, S.; Sundqvist, B.; Udovidchenko, B.G. (Физика низких температур, 2003)
    The low temperature (2-24 K) thermal expansion of pure (single-crystal and polycrystalline) C₆₀ and polycrystalline C₆₀ intercalated with He, Ne, Ar, and Kr has been investigated using the high-resolution capacitance ...
  • Baran, A.; Botko, M.; Kajňaková, M.; Feher, A.; Feodosyev, S.; Syrkin, E.; Klochko, M.; Tovstyuk, N.; Grygorchak, I.; Fomenko, V. (Физика низких температур, 2015)
    The theoretical and experimental study of low-temperature heat capacity of InSe intercalated by nickel as a function of temperature has been carried out in range 0.3–30 K. The effect of intercalation by nickel on phonon heat ...
  • Maugin, Gerard A. (Физика низких температур, 2008)
    Canonical equations of energy and momentum are constructed in the kinematic-wave theory of waves in a continuum. This is done in analogy with what is achieved in nonlinear continuum mechanics. The starting point is a ...
  • Khalack, J.M.; Loktev, V.M. (Физика низких температур, 2003)
    A simple planar model for an orientational ordering of threefold molecules on a triangular lattice modeling a close-packed (111) plane of fullerite is considered. The system has 3-sublattice ordered ground state which ...
  • Aleksandrovskii, A.N.; Bakai, A.S.; Cassidy, D.; Dolbin, A.V.; Esel’son, V.B.; Gadd, G.E.; Gavrilko, V.G.; Manzhelii, V.G.; Moricca, S.; Sundqvist, B. (Физика низких температур, 2005)
    The dilatometric investigation in the temperature range of 2–28 K shows that a first-order polyamorphous transition occurs in the orientational glasses based on C₆₀ doped with H₂, D₂ and Xe. A polyamorphous transition ...
  • Krivchikov, A.I.; Stachowiak, P.; Pisarska, E.; Jezowski, A. (2007)
    The thermal conductivity of (CH4)1–c(CD4)c solid solutions with c = 0, 0.03, 0.065, 0.13, 0.22, 0.4, 0.78, and 1.0 has been measured in the region of existence of three orientational phases: disordered (phase I), partially ...
  • 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 ...
  • Balkashin, O.P.; Sukhodub, G.L.; Yanson, I.K.; Brill, T.M.; Jansen, A.G. M.; Wyder, P. (Физика низких температур, 2001)
    High-frequency point-contact (PC) spectroscopy is used to investigate the relaxation processes kinetics in the intermetallic rare-earth compound PrNi₅. A difference is observed in the spectral response between the conventional ...
  • Kosevich, Yu.A.; Feher, A.; Syrkin, E.S. (Физика низких температур, 2008)
    The different mechanisms of resonant transport of phonons between two media in the presence of impurity intermediate layer are described. Particular attention is focused on the resonance interaction of elastic waves with ...
  • Dolbin, A.V.; Esel’son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Vinnikov, N.A.; Gadd, G.E.; Moricca, S.; Cassidy, D.; Sundqvist, B. (2007)
    The temperature dependence of the linear thermal expansion coefficient α(T) has been investigated in the temperature range of 2.5 to 23 K for two different CH4–C60 solutions in which CH4 molecules occupied 24 and 50% of ...
  • 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 ...

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