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Перегляд Физика низких температур, 2007, № 06-07 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2007, № 06-07 за назвою

Сортувати за: Порядок: Результатів:

  • Lattice dynamics of cryocrystals at high pressure 
    Horbenko, E.E.; Troitskaya, E.P.; Chabanenko, Val.V. (Физика низких температур, 2007)
    The lattice dynamics of cryocrystals is investigated from first principles in the framework of the Tolpygo model over a wide range of pressures. The phonon frequencies in rare-gas solids are calculated in terms of models ...
  • Many-body interactions and high-pressure equations of state in rare-gas solids 
    Freiman, Yu.A.; Tretyak, S.M. (Физика низких температур, 2007)
    The T 0K equations of state (EOS) of rare-gas solids (RGS) (He, Ne, Ar, Kr, and Xe) are calculated in the experimentally studied ranges of pressures accounting for two- and three-body interatomic forces. Solid-state ...
  • Neon in carbon nanopores: wetting, growth mechanisms and cluster structures 
    Krainyukova, N.V. (Физика низких температур, 2007)
    Low-temperature high-energy (50 keV) electron diffraction study of size-dependent structures and growth mechanisms of neon samples in multiporous «amorphous» carbon films is presented. Electron diffractograms were analyzed ...
  • Observation of relaxation of molecular spins in CH₄ and CD₄ crystals in thermal conductivity experiment 
    Pisarska, E.; Stachowiak, P..; Jeźowski, A. (Физика низких температур, 2007)
    The paper reports preliminary results on the kinetics of the molecular spin conversion in solid methane (CH₄) and deuterated methane (CD₄), obtained through thermal conductivity measurements in the temperature range 2–10 K.
  • Orientational order parameter in CO₂-based alloys with rare gases from THEED data: pure CO₂ 
    Danchuk, V.V.; Solodovnik, A.A.; Strzhemechny, M.A. (Физика низких температур, 2007)
    Using the transmission high-energy electron diffraction technique, we studied the temperature dependence of the diffraction reflection intensities from the solid phase of CO₂. To deduce absolute values of the orientational ...
  • Phase transitions in solid Kr–CH₄ solutions and rotational excitations in phase II 
    Bagatskii, M.I.; Mashchenko, D.A.; Dudkin, V.V. (Физика низких температур, 2007)
    The heat capacity CP of solid Kr–n CH₄ solutions with the CH₄ concentrations n = 0.82, 0.86, 0.90 as well as solutions with n = 0.90, 0.95 doped with 0.002 O₂ impurity has been investigated under equilibrium vapor pressure ...
  • Plasticity of parahydrogen with reduced deuterium contents 
    Alekseeva, L.A. (Физика низких температур, 2007)
    The plasticity of solid parahydrogen with lowered deuterium contents under step-wise uniaxial extension at liquid helium temperatures 1.8–4.2 K has been investigated. Work hardening curves for single crystals have been ...
  • Preface 
    Автор відсутній (Физика низких температур, 2007)
  • Quantitative evaluation of the effects of positional versus orientational disorder on the scattering of acoustic phonons in disordered matter 
    Bermejo, F.J.; Fernández-Perea, R.; Cabrillo, C.; Krivchikov, A.I.; Yushchenko, A.N.; Manzhelii, V.G.; Korolyuk, O.A.; González, M.A.; Jimenez-Ruiz, M. (Физика низких температур, 2007)
    The phonon scattering processes in the three solid phases of ethanol are investigated using thermal conductivity, light, and neutron-scattering measurements as well as molecular dynamics simulations on single- crystalline ...
  • Shift of close-packed basal planes as an order parameter of transitions between antiferromangetic phases in solid oxygen: II. Temperature/pressure dependence of sound velocities and lattice parameters 
    Gomonay, E.V.; Loktev, V.M. (Физика низких температур, 2007)
    In the present paper we generalize a phenomenological model developed by Gomonay and Loktev (Fiz. Nizk. Temp. 31, 1002 (2005)) for the description of magnetostructural phase transitions and related peculiarities of elastic ...
  • Stimulated by laser light exoelectron emission from solid Ar pre-irradiated by an electron beam 
    Gumenchuk, G.B.; Ponomaryov, A.N.; Belov, A.G.; Savchenko, E.V.; Bondybey, V.E. (Физика низких температур, 2007)
    Spatially separated stable charge centers, self-trapped holes and trapped electrons, were generated in Ar cryocrystals by a low-energy electron beam. A combination of the cathodoluminescence (CL) and photon- stimulated ...
  • Structural formation and thermal relaxation of quench-condensed Kr films: effect on EPR spectrum of trapped hydrogen atoms 
    Dmitriev, Yu.A. (Физика низких температур, 2007)
    Hydrogen atoms were trapped in a quench condensed Kr matrix and investigated by EPR. Each hyperfine component is a superposition of broad and narrow line. The spectrum of narrow lines shows an axial anisotropy of the ...
  • 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 ...
  • Theory of rare gas alloys: heat capacity 
    Bagatskii, M.I.; Feodosyev, S.B.; Gospodarev, I.A.; Kotlyar, O.V.; Manzhelii, E.V.; Nedzvetskiy, A.V.; Syrkin, E.S. (Физика низких температур, 2007)
    Low-temperature heat capacity of cryocrystals, which contain impurity clusters has been investigated theoretically and experimentally. Such defects might essentially enrich low-frequency part of the phonon spectrum by ...
  • The peculiarities of heat transfer in CO₂ and N₂O solids at low temperatures 
    Sumarokov, V.V.; Stachowiak, P.; Jeżowski, A. (Физика низких температур, 2007)
    The thermal conductivities of CO₂ and N₂O solids have been investigated in the low-temperature range 1–40 K. The thermal conductivities of CO₂ and N₂O are large compared with those of simple molecular crystals such as ...
  • The plateau effect in thermal conductivity of solid hydrogen with neon impurity 
    Zholonko, N.N. (Физика низких температур, 2007)
    The thermal conductivity of solid hydrogen with 1–2 ppm Ne impurity was investigated in the temperature range 1.5–10 K on samples grown from the liquid phase at various growth rates. The result differ qualitatively from ...
  • Thermal conductivity of solid CF₂Cl₂ 
    Pursky, O.I.; Konstantinov, V.A. (Физика низких температур, 2007)
    The thermal conductivity of solid CF₂Cl₂ was measured by the linear-flow method in the temperature range 80–115 K under saturated vapor pressure. Special attention is given to the explanation of the heat transfer process ...
  • Thermally stimulated exoelectron emission from solid Xe 
    Khyzhniy, I.V.; Grigorashchenko, O.N.; Ponomaryov, A.N.; Savchenko, E.V.; Bondybey, V.E. (Физика низких температур, 2007)
    Thermally-stimulated emission of exoelectrons and photons from solid Xe pre-irradiated by low-energy electrons were studied. A high sensitivity of thermally-stimulated luminescence (TSL) and thermally-stimulated exoelectron ...
  • Thermoactivation spectroscopy of solid Ar doped with N₂ 
    Ponomaryov, A.N.; Savchenko, E.V.; Gumenchuk, G.B.; Khizhniy, I.V.; Frankowski, M.; Bondybey, V.E. (Физика низких температур, 2007)
    A new modification of low-temperature activation spectroscopy technique for real-time correlated study of relaxation processes in cryogenic solids was developed. This enabled us to measure simultaneously thermally stimulated ...
  • Thermodynamics and microstructure of vacancies in rare gas crystals at high temperature 
    Karasevskii, A.I.; Lubashenko, V.V. (Физика низких температур, 2007)
    A self-consistent statistical method is used to calculate the Gibbs free energy of vacancy formation in heavy rare gas crystals at high temperature. It is shown that the vacancy formation free energy rapidly falls in the ...

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