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Перегляд Физика низких температур, 2001, том 27 за назвою

Репозиторій DSpace/Manakin

Перегляд Физика низких температур, 2001, том 27 за назвою

Сортувати за: Порядок: Результатів:

  • Ortnogonal-to-unitary ensemble crossover in the electronic specific heat of metal namoclusters 
    Mukhin, S.I.; Kurapova, O.V.; Moiseev, I.I.; Vargaftik, M.N.; Volokitin, Y.E.; Mettes, F.L.; Jongh, L.J. (Физика низких температур, 2001)
    We present a theoretical and experimental study on the influence of a magnetic field on the energy-level statistics in metal nanoparticles. Based on the random-matrix theory, a gradual field-in-duced crossover ...
  • Peculiarities of the volume magnetostriction in La₁₋xSrxMnO₃ in the Curie point region 
    Koroleva, L.I.; Abramovich, A.I.; Demin, R.V.; Michurin, A.V. (Физика низких температур, 2001)
    The parallel λ∥ and perpendicular λ⊥ magnetostriction (with respect to the applied magnetic field) and the thermal expansion Δl/l are studied on La1−xSrxMnO₃ single crystals with x=0.1, 0.15, and 0.3. For the conducting ...
  • Photoinduced light absorption and dichroism of Ca₃Mn₂Ge₃O₁₂ garnet as a probe of electronic processes and intrinsic electric fields 
    Eremenko, V.V.; Gnatchenko, S.L.; Kachur, I.S.; Piryatinskaya, V.G.; Ratner, A.M.; Shapiro, V.V.; Fally, M.; Rupp, R.A. (Физика низких температур, 2001)
    Measurements of photoinduced light absorption in Ca₃Mn₂Ge₃O₁₂ revealed some unusual features: a saturation with the pumping intensity and a broad straggling of relaxation times with a predominance of very long times. These ...
  • Polarization of far-IR radiation from p-type germanium under uniaxial pressure and strong electric field 
    Bondar, V.; Tomchuk, P.; Tulupenko, V. (Физика низких температур, 2001)
    Experimental results on the polarization of the far-IR radiation (l=80-120 mm) from p-type germanium under strong uniaxial pressure and heating electric field at liquid-helium temperature are reported. The directions of ...
  • Real-space condensation in a dilute Bose gas at low temperature 
    Kulik, I.O. (Физика низких температур, 2001)
    We show with a direct numerical analysis that a dilute Bose gas in an external potential - which is choosen for simplicity as a radial parabolic well - undergoes at certain temperature Tc a phase transition to a state ...
  • Relaxation dynamics in the high-frequency crystal-field spectroscopy of PrNi₅ point contacts 
    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 ...
  • Search for the minimum thermal conductivity in mixed cryocrystals (CH₄)₁₋ξ Krξ 
    Konstantinov, V.A.; Manzhelii, V.G.; Revyakin, V.P.; Pohl, R.O. (Физика низких температур, 2001)
    The isochoric thermal conductivity of (CH4)1-ξ Krξ solid solutions is studied between 40 K and ~ 150 K over the wide range of concentrations (ξ = 0.013, 0.032, 0.07, 0.115, 0.34, 0.71, 0.855, 0.937, and 0.97). ...
  • Shell effects in alkali metal nanowires 
    Yanson, A.I.; Yanson, I.K.; Ruitenbeek, J.M. (Физика низких температур, 2001)
    After making a cold weld by pressing two clean metal surfaces together, and gradually separating the two pieces, a metallic nanowire is formed, which is progressively thinning down to a single atom before the contact ...
  • Shubnikov-de Haas oscillations in layered conductors with stacking faults 
    Gvozdikov, V.M. (Физика низких температур, 2001)
    The Shubnikov-de Haas (SdH) oscillations of the in-plane conductivity of layered 2D electron gas is calculated. It is shown that layer stacking faults, magnetoimpurity bound states, and electron scattering modulate the SdH ...
  • Spontaneous magnetostriction in the Gd-Y system: analysis of phase transformations 
    Beznosov, A.B.; Fertman, E.L.; Eremenko, V.V.; Pal-Val, P.P.; Popov, V.P.; Chebotayev, N.N. (Физика низких температур, 2001)
    The transformations of magnetic and lattice subsystems states of Gd₁₀₀₋xYx (x=0, 5.5, 7.5, 10.2) alloys have been studied at temperatures 5-370 K in magnetic fields up to 4 kOe. The temperature dependences of elastic ...
  • Structural investigations of superconducting multilayers consisting of semiconducting materials 
    Erenburg, A.I.; Fogel, N.Ya.; Bomze, Yu.V.; Sipatov, A.Yu.; Fedorenko, A.I.; Langer, V.; Norell, M. (Физика низких температур, 2001)
    There are rather exotic semiconducting superlattices (SL) consisting of monochalcogenides of Pb, Sn and rare-earth metals which exhibit superconductivity at temperature as high as 6 K. Here we report the results of precision ...
  • Superconducting gap and pair breaking in CeRu₂ studied by point contacts 
    Moskalenko, A.V.; Naidyuk, Yu.G.; Yanson, I.K.; Ōnuki, Y.; Haga, Y.; Yamamoto, E.; Hedo, M.; Inada, Y. (Физика низких температур, 2001)
    The superconducting gap in a CeRu₂ single crystal is investigated by point contacts. BCS-like behavior of the gap Δ in the temperature range below Tc* (Tc*<Tc, where Tc is the critical temperature) is established, indicating ...
  • The critical current of superconductors: an historical review 
    Dew-Hughes, David (Физика низких температур, 2001)
    The most important practical characteristic of a superconductor is its critical current density. This article traces the history, both of the experimental discoveries and of the development of the theoretical ...
  • The effect of hydrogen on the magnetostriction of rare-earth compounds TbxDy₁₋xFe₂ 
    Nikitin, S.A.; Tereshina, I.S.; Touliakov, A.P.; Tereshina, E.A.; Verbetsky, V.N.; Salamova, A.A. (Физика низких температур, 2001)
    The crystal structure and the magnetic and magnetoelastic properties of TbxDy₁₋xFe₂Hy (x = 0.27; 0.41; y ≤ 3) are investigated. The hydrides are obtained by the interaction of TbxDy₁₋xFe₂ samples with hydrogen gas at room ...
  • The influence of hydrogenation on superconducting properties of MgB₂ 
    Zaleski, A.J.; Iwasieczko, W.; Kaczorowski, D.; Drulis, H.; Tkacz, M.; Klamut, J.; Zogal, O.J. (Физика низких температур, 2001)
    In the paper we present the results of the ac susceptibility measurements of two newly discovered superconducting diboride - MgB₂.
  • Thermo-electric effects in a Luttinger liquid 
    Krive, I.V.; Romanovsky, I.A.; Bogachek, E.N.; Scherbakov, A.G.; Landman, Uzi (Физика низких температур, 2001)
    Thermoelectric effects in a Luttinger liquid (LL) wire adiabatically connected to the leads of noninteracting electrons are considered. For a multichannel LL a staircase-like behavior of the thermal conductance as ...
  • Triplet superconducting proximity effect in nonhomogeneous magnetic materials 
    Kadigrobov, A.; Shekhter, R.I.; Jonson, M. (Физика низких температур, 2001)
    We show that quantum spin fluctuations in inhomogeneous conducting ferromagnets drastically affect the Andreev reflection of electrons and holes at a ferromagnet- superconductor interface. As a result, a strong ...
  • Unusual substitutional properties of Cu in bulk polycrystalline samples of La₀.₇Ca₀.₃Mn₁₋xCuxO₃₋δ 
    Tovstolytkin, A.I.; Pogorilyi, A.N.; Belous, O.Z.; Yanchevski, A.G. (Физика низких температур, 2001)
    The transport and magnetoresistive properties of bulk polycrystalline samples of the La₀.₇Ca₀.₃Mn₁₋xCuxO₃₋δ (x ≤ 0.15) system are studied in the temperature range 77 K-300 K. All the samples investigated exhibit the ...
  • Vibrational dynamics of solid molecular nitrogen to megabar pressures 
    Goncharov, A.F.; Gregoryanz, E.; Mao, H.-K.; Hemley, R.J. (Физика низких температур, 2001)
    We report the results of Raman and synchrotron infrared absorption measurements of several molecular phases of solid nitrogen to pressures above 100 GPa (300 K). Low- temperature vibrational spectra to 45 GPa are also ...
  • X-ray study of Nd₀.₅Sr₀.₅MnO₃ above and below the ferromagnetic metal-antiferromagnetic insulator spontaneous phase transition manganite structure 
    Eremenko, V.; Gnatchenko, S.; Makedonska, N.; Shabakayeva, Yu.; Shvedun, M.; Sirenko, V.; Fink-Finowicki, J.; Kamenev, K.V.; Balakrishnan, G.; D. McK Paul (Физика низких температур, 2001)
    The crystal structure of the manganite Nd₀.₅Sr₀.₅MnO₃ is studied at temperatures T=300 and 77.3 K by means of an x-ray diffractometer. It is shown that the transition from the ferromagnetic metallic state to the antiferromagnetic ...

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