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Перегляд Физика низких температур, 2007, том 33 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2007, том 33 за назвою

Сортувати за: Порядок: Результатів:

  • Giant super-poissonian shot noise in spin-polarized SET structures 
    Gorelik, L.Y.; Kulinich, S.I.; Shekhter, R.I.; Jonson, M.; Vinokur, V.M. (Физика низких температур, 2007)
    We study transport of spin-polarized electrons through a magnetic single-electron transistor (SET) in the presence of an external magnetic field. Assuming the SET to have a nanometer-sized central island with a single ...
  • Heat capacity and spin susceptibility of two-dimensional t–J model 
    Antsygina, T.N.; Poltavskaya, M.I.; Poltavsky, I.I.; Chishko, K.A. (Физика низких температур, 2007)
    Thermodynamic properties of the t–J model on square and triangular lattices near half-filling are investigated theoretically within an analytical approach based on the Kondo and Yamaji’s Green function decoupling scheme. ...
  • Heat transfer in crystalline clathrate hydrates at low temperatures 
    Krivchikov, A.I.; Korolyuk, O.A.; Romantsova, O.O. (Физика низких температур, 2007)
    The experimental results on the thermal conductivity k(T) of crystalline Xe, CH₄, and THF clathrate hydrates have been analyzed. In a wide region of temperatures above 2 K, k(T) exhibits a behavior typical of disordered ...
  • Impurity induced Dirac point smearing in graphene 
    Skrypnyk, Yu.V.; Loktev, V.M. (Физика низких температур, 2007)
    It is shown that in a two-dimensional system with the linear dispersion a resonance is present in the Dirac point vicinity, when the impurity perturbation magnitude exceeds the bandwidth. The corresponding spectrum rea ...
  • Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen 
    Raston, P.L.; Anderson, D.T. (Физика низких температур, 2007)
    We report high-resolution infrared absorption spectroscopic studies of the dopant-induced Q₁(0) vibron band in solid parahydrogen crystals doped with low concentrations of rare gas atoms. The frequency, lineshape, and ...
  • 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 tunneling and the problem of superfluidity in bilayer quantum Hall systems 
    Fil, D.V.; Shevchenko, S.I. (Физика низких температур, 2007)
    A possibility of nondissipative transmission of electrical current from the source to the load using superfluid electron-hole pairs in bilayers is studied. The problem is considered with reference to quantum Hall bilayers ...
  • Kinetic study of inelastic radiation-induced processes in rare-gas cryocrystals 
    Ogurtsov, A.N.; Masalitina, N.Yu.; Bliznjuk, O.N. (Физика низких температур, 2007)
    The processes of large-scale atomic displacements induced by exciton self-trapping were studied using the selective vacuum ultraviolet luminescence method. Models of Frenkel pairs creation in rare-gas crystals are discussed ...
  • 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 ...
  • Magnetic and transport properties driven by lattice strain in La₀.₇Ca₀.₃MnO₃/BaTiO₃ and La₀.₇Sr₀.₃MnO₃/BaTiO₃ bilayered films 
    Prokhorov, V.G.; Komashko, V.A.; Kaminsky, G.G.; Yu, K.K.; Jun, S.J.; Park, S.Y.; Park, J.S.; Lee, Y.P.; Svetchnikov, V.L. (Физика низких температур, 2007)
    The microstructure and the magnetic and transport properties of La₀.₇Ca₀.₃MnO₃ and La₀.₇Sr₀.₃MnO₃ films deposited on a BaTiO₃ layer (LCMO/BTO and LSMO/BTO) and on a LaAlO₃ (001) single crystal (LCMO/LAO and LSMO/LAO) ...
  • 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 ...
  • Mechanisms of enhancement of light emission in nanostructures of II–VI compounds doped with manganese 
    Godlewski, M.; Yatsunenko, S.; Ivanov, V.Yu.; Drozdowicz-Tomsia, K.; Goldys, E.M.; Phillips, M.R.; Klar, P.J.; Heimbrodt, W. (Физика низких температур, 2007)
    Intra-shell transitions of transition metal and rare earth ions are parity forbidden processes. For Mn²⁺ ions this is also a spin forbidden process, i.e., light emission should be inefficient. Surprisingly, it was ...
  • Microwave absorption saturation and decay heating of surface electrons on liquid helium 
    Monarkha, Yu.; Konstantinov, D.; Kono, K. (Физика низких температур, 2007)
    The microwave (MW) resonance absorption and decay heating of surface electrons (SEs) on liquid ⁴He are theoretically studied for the vapor atom scattering regime. The decay heating is shown to be an essential occurrence ...
  • 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 ...
  • Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films 
    Prokhorov, V.G.; Kaminsky, G.G.; Komashko, V.A.; Lee, Y.P.; Park, S.Y.; Hyun, Y.H.; Kim, J.B.; Park, J.S.; Svetchnikov, V.L.; Pashchenko, V.P.; Khokhlov, V.A. (Физика низких температур, 2007)
    The amorphous, nanoclustered, and self-organizing bilayered Nd₀.₅Sr₀.₅MnO₃ films have been prepared by a rf-magnetron sputtering. The amorphous film turn out to be a typical paramagnet with a freely moving of the ...
  • Nonequilibrium statistical operators for systems with finite lifetime 
    Ryazanov, V.V. (Физика низких температур, 2007)
    A family of nonequilibrium statistical operators (NSO) is introduced which differ by the system lifetime distribution over which the quasiequilibrium (relevant) distribution is averaged. This changes the form of the ...
  • Non-Fermi liquid behavior in the layered NaxCoO₂ 
    Zorkovská, A.; Šebek, J.; Šantavá, E.; Bradaric, I.; Feher, A. (2007)
    The specific heat in the temperature region of 100 mK–360 K and in magnetic fields of 0 and 9 T, as well as the susceptibility from 2 to 360 K and in a magnetic field of 1 T have been measured in the layered NaxCoO₂ (x = ...
  • 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 isotopic effects in the thermal conductivity of CH4/CD4 solid solutions 
    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 ...
  • 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 ...

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