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Перегляд Condensed Matter Physics, 1999, том 2 за назвою

Репозиторій DSpace/Manakin

Перегляд Condensed Matter Physics, 1999, том 2 за назвою

Сортувати за: Порядок: Результатів:

  • Conductivity of layered structures with a strongly degenerate electron gas 
    Petrov, P.P. (Condensed Matter Physics, 1999)
    The conductivity of periodical multilayer structures with a degenerate electron gas is calculated. It is shown that for smooth tunnelly transparent barriers the resistivity of structure coincides with the corresponding ...
  • Conductivity of the Bi₁₂SiO₂₀ thin films 
    Plyaka, S.N.; Sokolyanskii, G.Ch.; Klebanskii, E.O.; Sadovskaya, L.Ja. (Condensed Matter Physics, 1999)
    The results of the conductivity examination in the Bi₁₂SiO₂₀ thin films prepared using the sol-gel method are presented. The conductivity was investigated in the 300–550 K temperature and up to 100 V/cm field ranges. It was ...
  • Configurational splitting in Raman scattering spectra of crystals with the order-disorder type phase transitions 
    Stasyuk, I.V.; Ivankiv, Ya.L. (Condensed Matter Physics, 1999)
    A system of equations for the averaged phonon Green function determining the shapes of the lines in Raman scattering spectra is obtained in the coherent potential approximation. Configurationally split components of ...
  • Critical indices of the ferroelectric phase transition in TGS crystals 
    Myshchyshyn, O.; Andriyevsky, B.; Romanyuk, M. (Condensed Matter Physics, 1999)
    Temperature dependencies of retardation, electron susceptibility and linear thermal expansion for three crystal-physic directions are obtained by means of optical investigations of the ferroelectric phase transition in ...
  • Critical sound in fluids and mixtures 
    Folk, R.; Moser, G. (Condensed Matter Physics, 1999)
    The behaviour of sound is explained within the dynamical renormalization group theory. Non-asymptotic effects are due to the deviation of renormalized couplings from their fixed point values. We calculate the temperature and ...
  • Determining the gaussian distribution width of Curie-Weiss temperatures and relaxation times 
    Skulski, R. (Condensed Matter Physics, 1999)
    Some new possibilities of determining the gaussian distribution of Curie- Weiss temperatures and relaxation times in relaxors and in ferroelectrics with a diffused phase transition are presented in this paper. The ...
  • Dielectric relaxation in NaNbO₃ single crystal 
    Konieczny, K. (Condensed Matter Physics, 1999)
    Dielectric permittivity studies of reduced samples of NaNbO₃ single crystal in the range of temperatures 30–500 °C and frequency 20 Hz-1 MHz are reported. In this temperature range a relaxation process is observed in the ...
  • Diffusion in two-component quasiparticle systems of liquid and solid mixtures of helium isotopes 
    Adamenko, I.N.; Nemchenko, K.E.; Zhukov, A.V.; George, T.F.; Pandey, L.N.; Um, Chung-In (Condensed Matter Physics, 1999)
    An exact expression for the diffusion time which depends on the interaction rates for particles of not only different, but also of the same species, has been derived from the system of kinetic equations. The result is ...
  • Dynamic structure factors of a Heisenberg model ferrofluid 
    Mryglod, I.; Folk, R.; Dubyk, S.; Rudavskii, Yu. (Condensed Matter Physics, 1999)
    Using the results of our previous papers [Physica A 220 (1995) 325; Physica A 234 (1996) 129], where the generalized transport equations for a Heisenberg-like model of a ferrofluid were derived and the hydrodynamic collective ...
  • Electron and hole spectra in the superlattice of cylindrical quantum wires 
    Tkach, M.V.; Pronyshyn, I.V.; Makhanets, A.M.; Zegrya, G.G.; Golovach, V.N. (Condensed Matter Physics, 1999)
    Electron and hole spectra in n β-HgS cylindrical quantum wire superlattice in β-CdS matrix are calculated within the method of augmented plane waves. The energy term determined by the movement of quasiparticles in ...
  • Energy spectrum of transition metal impurity in a semiconductor with an ideal surface 
    Melnychuk, S.V.; Yurijchuk, I.M. (Condensed Matter Physics, 1999)
    Energy spectrum of the transition metal impurity which substitutes a cation in a zink-blende structure semiconductor with an ideal surface is investigated theoretically. Model Hamiltonian of the semiconductor is treated by ...
  • ESR investigations of incommensurate Rb₂ZnCl₄:Mn²⁺ 
    Trubitsyn, M.P. (Condensed Matter Physics, 1999)
    ESR spectra of Mn²⁺ probe have been studied in incommensurate rubidium zinc chloride monocrystals. It has been shown that temperature dependence of the resonance fields of ESR fine transition MS=3/2↔5/2 can be satisfactorily ...
  • Experimental studies of the recombination processes in II-VI semiconductors (bulk crystals and epilayers) at variable excitation levels 
    Brodyn, M.S.; Shevel, S.G.; Tishchenko, V.V. (Condensed Matter Physics, 1999)
    Low-temperature luminescence spectra under broad-scale variation of an excitation level Iexc are studied for ZnS/ZnSe single quantum wells (QW) and for CdS bulk crystals and epilayers. In the first case, the manifestations turn ...
  • Extra oxygen and carrier distribution in CuO₂ layers in HgBa₂Can₋₁CunO₂n₊₂₊δ compounds (n=1,2,4) 
    Lutciv, R.V.; Boyko, Ya.V. (Condensed Matter Physics, 1999)
    It is proposed to determine the equilibrium state of the crystal lattice by minimizing the total energy in order to elucidate the role of electrostatic interactions as well as to determine the nonstoichiometry in ...
  • Fermi liquid properties of ³He –⁴He mixtures 
    Schörkhuber, K.; Krotscheck, E.; Paaso, J.; Saarela, M.; Zillich, R. (Condensed Matter Physics, 1999)
    We calculate microscopically the properties of ³He impurity atoms in ³He –⁴He mixtures, including the spectrum of a single particle and the Fermi– Liquid interaction between ³He atoms. From these, we determine the pressure ...
  • Fermi liquid properties of ³He –⁴He mixtures 
    Scho, K.; Krotscheck, E.; Paaso, J.; Saarela, M.; Zillich, R. (Condensed Matter Physics, 1999)
    We calculate microscopically the properties of ³He impurity atoms in ³He-⁴He mixtures, including the spectrum of a single particle and the Fermi–Liquid interaction between ³He atoms. From these, we determine the pressure ...
  • Ferroelectric phase transition in lead germanate Pb₅Ge₃O₁₁ studied by ESR of Gd³⁺ probe 
    Trubitsyn, M.P.; Volnianskii, M.D.; Ermakov, A.S.; Linnik, V.G. (Condensed Matter Physics, 1999)
    ESR spectra of Gd³⁺ probe have been studied in the range of ferroelectric phase transition TC=451 K in lead germanate Pb₅Ge₃O₁₁. Measurements of ESR line position have shown that local order parameter behaves in accordance ...
  • Ferromagnetic transition in diluted magnetic semiconductors 
    Dietl, T. (Condensed Matter Physics, 1999)
    A summary is given of recent theoretical works on effects of the Ruderman- Kittel-Kasuya-Yosida (RKKY) interaction between the localized spins in various dimensionality systems of doped diluted magnetic semiconductors ...
  • Fluctuational dynamics and the structure factor of nonlinear reactive systems on a 1D lattice 
    Gerasimov, O.I.; Khudyntsev, N.N. (Condensed Matter Physics, 1999)
    Within the investigated model of a one-dimensional bi- and tri-molecular chemically reacted crystal, the asymptotic behaviour of the amplitude of a two-particle static structure factor (as a function of the crystal ...
  • Formation of soliton complexes in dispersive systems 
    Bogdan, M.M.; Kosevich, A.M.; Maugin, G.A. (Condensed Matter Physics, 1999)
    The concept of soliton complex in a nonlinear dispersive medium is formulated. It is shown that interacting identical topological solitons in the medium can form bound soliton complexes which move without radiation. This ...

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