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  • Phase transition in Cs₃Bi₂I₉ ferroelastic: investigation by Raman scattering technique 
    Motsnyi, F.V.; Vuychik, M.V.; Smolanka, O.M.; Peresh, E.Yu. (Functional Materials, 2005)
    Raman scattering in unpolarized light has been studied for the first time for Cs₃Bi₂I₉ layered ferroelastic at temperatures from 5 to 300 К in the heating mode. Neither soft mode nor frequency softening was ...
  • Phase transition line of solid molecular nitrogen into CG-polymeric phase 
    Yakub, L.N. (Физика низких температур, 2011)
    The coexistence line of two high-pressure phases of solid nitrogen: molecular and polymeric cubic gauche (CG) has been predicted using two separate equations of state. Phase transition parameters: latent heat, volume and ...
  • Phase transitions and critical phenomena: universality and non-universal features 
    Ilnytskyi, J.; Holovatch, Y.; Kozitsky, Y. (Condensed Matter Physics, 2013)
    This special issue of the CMP is devoted to phase transitions and critical phenomena. Several recent decades of intensive, sometimes even frantic, and fruitful activities might produce an impression that all principal work ...
  • Phase transitions and dynamical properties of quasi-one-dimensional structures with hydrogen bonds 
    Stetsiv, R.Ya. (Condensed Matter Physics, 2012)
    The frequency dependence of dynamical conductivity of the quasi-one-dimensional structures with hydrogen bonds is studies on the bases of pseudospin-electron model. It is taken into account the proton-electron interaction, ...
  • Phase transitions and phase separation in a pseudospin-electron model with direct interaction between pseudospins and with transverse field 
    Dublenych, Yu.I. (Condensed Matter Physics, 2000)
    The pseudospin-electron model with a direct interaction between pseudospins and with transverse field is considered. In the absence of electron transfer, the equilibrium states of the model are studied in the mean ...
  • Phase transitions in Bose-Fermi-Hubbard model in the heavy fermion limit: Hard-core boson approach 
    Stasyuk, I.V.; Krasnov, V.O. (Condensed Matter Physics, 2015)
    Phase transitions are investigated in the Bose-Fermi-Hubbard model in the mean field and hard-core boson approximations for the case of infinitely small fermion transfer and repulsive on-site boson-fermion interaction. The ...
  • Phase transitions in clusters 
    Berry, R.S.; Smirnov, B.M. (Физика низких температур, 2009)
    General concepts of cluster phase transitions are reviewed as well as the cluster behavior near the melting point. Configuration excitation determines the nature of the cluster phase transitions, but a significant contribution ...
  • Phase transitions in KDP crystals with the complex organic and inorganic impurities 
    Strukov, B.; Shnaidshtein, I.; Grabovsky, S (Condensed Matter Physics, 2007)
    In this paper we present the results of the study of dielectric and thermal properties of KDP crystals doped with different complex organic and inorganic molecules which decorate different (pyramidal or prismatic) crystal ...
  • Phase transitions in pseudospin- electron model with direct interaction between pseudospins 
    Stasyuk, I.V.; Havrylyuk, Yu. (Condensed Matter Physics, 1999)
    The analysis of thermodynamic properties of the pseudospin-electron model in the case of zero electron transfer with the inclusion of the direct pseudospin-pseudospin interaction of ferroelectric type is performed. The ...
  • Phase transitions in Sn₂P₂S₆ ferroelectric under high pressures 
    Slivka, A.G.; Gerzanich, E.I.; Guranich, P.P.; Shusta, V.S.; Kedyulich, V.M. (Condensed Matter Physics, 1999)
    We have made dilatometric studies of phase transitions in Sn₂P₂S₆ ferroelectric under high hydrostatic pressures. We investigated the pressure dependence of the coefficients in an expansion of the thermodynamic potential ...
  • 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 ...
  • Phase transitions in TbMnO₃ manganites 
    Dyakonov, V.; Szytuła, A.; Szymczak, R.; Zubov, E.; Szewczyk, A.; Kravchenko, Z.; Bażela, W.; Dyakonov, K.; Zarzycki, A.; Varyukhin, V.; Szymczak, H. (Физика низких температур, 2012)
    X-ray diffraction and magnetic measurements of polycrystalline and nanosize TbMnO₃ manganites have been performed. All the compounds studied crystallize in the orthorhombic crystal structure (space group Pnma) at room ...
  • Phase transitions in the coal-water-methane system 
    Alexeev, A.D.; Ulyanova, E.V.; Kalugina, N.A.; Degtyar, S.E. (Condensed Matter Physics, 2006)
    Low temperature phase transitions in water and methane occurring in fossil coals were studied experimentally using Nuclear Magnetic Resonance (NMR) techniques. Contributions of constituent fluids into narrow line of ¹H ...
  • Phase transitions in the lattice model of intercalation 
    Mysakovych, T.S.; Krasnov, V.O.; Stasyuk, I.V. (Condensed Matter Physics, 2008)
    The lattice model which can be employed for the description of intercalation of ions in crystals is considered in this work. Pseudospin formalism is used in describing the interaction of electrons with ions. The possibility of ...
  • Phase transitions in the Mitsui model 
    Dublenych, Yu.I. (Condensed Matter Physics, 2011)
    In this paper, phase transitions in the Mitsui model without longitudinal field but with a transverse one are investigated in the mean field approximation. The one-to-one correspondence has been established between this ...
  • Phase transitions in the nanopowders KTa₀.₅Nb₀.₅O₃ studied by Raman spectroscopy 
    Golovina, I.S.; Bryksa, V.P.; Strelchuk, V.V.; Geifman, I.N. (Functional Materials, 2013)
    Raman spectra of KTa₀.₅Nb₀.₅O₃ nanopowder solid solution were obtained at the temperatures from –190°C to 600°C and investigated for the first time. The compound was synthesized by a new technology. Temperature dependences ...
  • Phase transitions in the Potts model on complex networks 
    Krasnytska, M.; Berche, B.; Holovatch, Yu. (Condensed Matter Physics, 2013)
    The Potts model is one of the most popular spin models of statistical physics. The prevailing majority of work done so far corresponds to the lattice version of the model. However, many natural or man-made systems are much ...
  • Phase transitions in thermally annealed films of Alq₃ 
    Baldacchini, G.; Chiacchiaretta, P.; Pode, R.B.; Vincenti, M.A.; Wang, Q.-M. (Физика низких температур, 2012)
    Organic light emitting devices have been so very much improved lately that they are being widely applied for displays and lighting. Among many improving technologies, annealing processes in different atmospheres affect greatly ...
  • Phase transitions in the weak links system of granular YBa₂Cu₃O₇₋δ HTSC 
    Sukhareva, T.V.; Finkel, V.A. (Functional Materials, 2009)
    The change dynamics of current-voltage characteristics (IVCs) in granular samples of YBa₂Cu₃O₇₋δ (δ ≈ 0.05) high-temperature superconductor in a perpendicular (I⊥Hext) magnetic field within the 0 ≥ Hext ≥ Hc2J range at T ...
  • Phase transitions of fluids in heterogeneous pores 
    Malijevský, A. (Condensed Matter Physics, 2016)
    We study phase behaviour of a model fluid confined between two unlike parallel walls in the presence of long range (dispersion) forces. Predictions obtained from macroscopic (geometric) and mesoscopic arguments are compared ...