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  • Phase equilibria of size- and charge-asymmetric primitive models of ionic fluids: the method of collective variables 
    Patsahan, O.V.; Patsahan, T.M. (Condensed Matter Physics, 2010)
    We study the phase diagrams of z:1 size-asymmetric primitive models (PMs) using a theory that exploits the method of collective variables. Based on the explicit expression for the relevant chemical potential (conjugate to ...
  • Phase field modelling voids nucleation and growth in binary systems 
    Kharchenko, D.O.; Kharchenko, V.O.; Ovcharenko, Y.M.; Lysenko, O.B.; Shuda, I.A.; Wu, L.; Pan, R. (Condensed Matter Physics, 2018)
    We present a comprehensive study of voids formation, nucleation and growth in a prototype model of binary alloys subjected to irradiation by using a combined approach based on phase field and rate theories. It is shown that ...
  • Phase fluctuations and pseudogap properties: influence of nonmagnetic impurities 
    Loktev, V.M.; Quick, R.M.; Sharapov, S.G. (Физика низких температур, 2000)
    The presence of nonmagnetic impurities in a 2D “bad” metal depresses the superconducting Berezinskii–Kosterlitz–Thouless transition temperature while leaving the pairing energy scale unchanged. Thus the region of the ...
  • Phase formation and characteristics of dysprosium titanate pellets prepared by solid state synthesis 
    Chernov, I.O.; Belash, M.M.; Kolodiy, I.V.; Valezhnyi, Ye.B.; Kalchenko, O.S.; Slabospitska, O.O. (Вопросы атомной науки и техники, 2017)
    Dysprosium titanate have been developed and used as absorbing material for control rods of thermal neutron nuclear reactors. The study results of phase formation kinetics in the pellets prepared from powder mixtures ...
  • Phase formation and crystallization of films deposited by pulse laser sputtering of chromium in oxygen atmosphere 
    Bagmut, A.G.; Grigorov, S.N.; Zhuchkov, V.A.; Kolosov, V.Yu.; Kosevich, V.M.; Nikolaichuk, G.P. (Functional Materials, 2006)
    Effects of the substrate temperature Tₛ (20-420 ℃) and the oxygen pressure in the evaporation chamber Р(О₂) (10⁻⁵-10⁻² Torr) on the structure and phase composition of films obtained by pulse laser sputtering ...
  • Phase formation in surface layers of GaTe and InTe single crystals during thermal oxidation in air 
    Balitskii, O.A.; Savchyn, V.P.; Savchyn, P.V.; Fiyala, Ya.M. (Functional Materials, 2004)
    The oxidation processes of indium and gallium monotellurides have been discussed. The oxidation has been established to result in formation of additional phases with higher tellurium content, namely, gallium and indium ...
  • Phase formation in the SiC-Al₂O₃-ZrO₂ system during hot pressing by the method of electroconsolidation 
    Vovk, R.V.; Kislitsa, M.V.; Rucki, M. (Functional Materials, 2019)
    The composition changes in the electroconsolidation of powdered ceramic materials based on SiC with Al₂O₃ and ZrO₂ contents are considered. Analyzed possible mechanisms of decrease of compaction ability due to chemical ...
  • Phase H-T-diagram for MgB₂ granular BCS-superconductor in weak magnetic fields 
    Derevyanko, V.V.; Sukhareva, T.V.; Finkel, V.A.; Shahov, Yu.N. (Functional Materials, 2015)
    For the purpose of plotting the H-T diagram for MgB₂ granular superconductors, the behavior of electrical resistivity-versus-temperature dependences were studied at ~35 to ~45 K in external magnetic fields with magnetic ...
  • Phase maps for networks of polycrystalline human biological liquids: Statistical and fractal analyses 
    Ushenko, Yu.O.; Istratiy, V.V.; Balanets’ka, V.O.; Kvasniyk, D.O.; Bachinsky, V.T.; Olar, O.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2010)
    Performed in this work are complex statistical and fractal analyses of phase properties inherent to birefringence networks of liquid crystals consisting of opticallythin layers prepared from synovial fluid taken from ...
  • Phase separation in iron chalcogenide superconductor Rb₀.₈₊xFe₁.₆₊ySe₂ as seen by Raman light scattering and band structure calculations 
    Pashkevich, Yu.; Gnezdilov, V.; Lemmens, P.; Shevtsova, T.; Gusev, A.; Lamonova, K.; Wulferding, D.; Gnatchenko, S.; Pomjakushina, E.; Conder, K. (Физика низких температур, 2016)
    We report Raman light scattering in the phase separated superconducting single crystal Rb₀.₇₇Fe₁.₆₁Se₂ with Tc = 32 K over a wide temperature region 3–500 K. The observed phonon lines from the majority vacancy ordered ...
  • Phase separation in lithium intercalated anatase: A theory 
    Velychko, O.V.; Stasyuk, I.V. (Condensed Matter Physics, 2009)
    Lithium intercalated anatase used in Li-ion batteries has some special features: coexistence of Li-rich and Lipoor phases as well as two possible positions for Li ions in the oxygen tetrahedron. A theoretical description of ...
  • Phase Space of Rolling Solutions of the Tippe Top 
    Glad, S.T.; Petersson, D.; Rauch-Wojciechowski, S. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Equations of motion of an axially symmetric sphere rolling and sliding on a plane are usually taken as model of the tippe top. We study these equations in the nonsliding regime both in the vector notation and in the Euler ...
  • Phase spaces for a class of Sobolev type equations 
    Sviridyuk, G.A. (Український математичний вісник, 2004)
    The solvability of the Cauchy problem u(0) = u₀ of an semilinear differential operator equation Lǔ = Mu+N(u) is under consideration. The abstract results are illustrated by the Cauchy–Dirichlet problem for degenerate ...
  • Phase stability in two-beam accelerator driver with accompanying wave 
    Elzhov, A.V.; Perelstein, E.A. (Вопросы атомной науки и техники, 2006)
    Beam-wave dynamics in two-beam accelerator driver with accompanying wave is studied with numerical simulations. Special attention is paid to the problems of phase stability and tolerances for microwave extraction facilities.
  • Phase states of macroparticles under interaction of keV ion beam with dusty plasma 
    Bizyukov, A.A.; Girka, O.I.; Kashaba, A.Ye.; Romashchenko, E.V.; Sereda, K.N.; Chibisov, A.D. (2010)
    Peculiarities of the keV-energy charge-compensated ion beam interaction with dusty plasma macroparticles are studied theoretically in this paper. Negative potential of the dusty plasma macroparticles makes conditions for ...
  • Phase transformation B1 to B2 in TiC, TiN, ZrC and ZrN under pressure 
    Ivashchenko, V.I.; Turchi, P.E.A.; Shevchenko, V.I. (Condensed Matter Physics, 2013)
    Phase stability of various phases of MX (M=Ti, Zr; X=C, N) at equilibrium and under pressure is examined based on first-principles calculations of the electronic and phonon structures. The results reveal that all B1 ...
  • Phase transformations at reduction of corundum 
    Dan`ko, A.Ya.; Rom, M.A.; Sidelnikova, N.S.; Kaltaev, Kh.Sh.; Nizhankovsky, S.V.; Fedorov, A.I. (Functional Materials, 2007)
    Research results are presented on the corundum structure transformation caused by reducing annealing. The annealing at 1500-2000°C in Ar atmosphere at CO + H₂ concentration 0.1-10 vol.% and N₂ 0.1-0.4 vol.% has been found ...
  • Phase Transformations in Equiatomic Y–Cu Powder Mixture at Mechanical Milling 
    Dashevskyi, M.; Boshko, О.; Nakonechna, O.; Belyavina, N. (Металлофизика и новейшие технологии, 2017)
    Mechanical alloying of the elemental powder mixture of copper and yttrium is performed in a high-energy planetary ball mill. The equiatomic YCu compound with full ordered CsCl-type structure is synthesized by use of ...
  • Phase transformations in the synthesis of La₀.₇Sr₀.₃MnO₃ nanopowders 
    Danilenko, I.A.; Konstantinova, T.E.; Shatalova, G.E.; Volkova, G.K.; Doroshkevich, A.S.; Glazunova, V.A. (Functional Materials, 2004)
    La₀.₇Sr₀.₃MnO₃ nanopowder has been obtained by co-precipitation of the metal salts out of solution using sodium carbonate. The nanopowder synthesized contains two morphologically different particle types of 40 and 100 to ...
  • Phase transformations in two-layered In₂Se₃-Cu film system 
    Grigorov, S.N.; Kosevich, V.M.; Kosmachev, S.М.; Taran, А.V. (Вопросы атомной науки и техники, 2008)
    In the article Cu-In-Se thin films obtained by dosed deposition of Cu onto indium selenide starting layer with the further annealing of the two-layered composition in Se atmosphere were investigated by transmission ...