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Перегляд Відділення фізики і астрономії за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення фізики і астрономії за назвою

Сортувати за: Порядок: Результатів:

  • Parabolic Foliations on Three-Manifolds 
    Krouglov, V. (Журнал математической физики, анализа, геометрии, 2009)
    We prove that every closed orientable three-manifold admits a parabolic foliation.
  • Paraelectric properties of PbTe doped with Ga 
    Tetyorkin, V.; Movchan, S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    The static dielectric constant was investigated as a function of temperature and carrier concentration in In(Cu)/p-PbTe Schottky contacts. Single crystals of PbTe doped with Ga were used as substrates for preparation of ...
  • Parallel magnetotransport in multiple quantum well structures 
    Sheregii, E.M.; Ploch, D.; Marchewka, M.; Tomaka, G.; Kolek, A.; Stadler, A.; Mleczko, K.; Strupiński, W.; Jasik, A.; Jakiela, R. (Физика низких температур, 2004)
    The results of investigations of parallel magnetotransport in AlGaAs/GaAs and InGaAs/InAlAs/InP multiple quantum wells structures (MQW’s) are presented in this paper. The MQW’s were obtained by metalorganic vapour phase ...
  • Paramagnetic defects related to photoluminescence in SiOx films 
    Rudko, G.Yu.; Vorona, I.P.; Indutnyy, I.Z.; Ishchenko, S.S.; Shepeliavyi, P.E.; Yukhymchuk, V.O. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    The correlation between the photoluminescence and paramagnetic defects is studied in SiOx films grown by vacuum thermal deposition and annealed at 750 ⁰C. The as-grown samples exhibit a wide structureless EPR line centered ...
  • Paramagnetic effect of the magnetic field on superconductors with charge-density waves 
    Ekino, T.; Gabovich, A.M.; Voitenko, A.I. (Физика низких температур, 2005)
    The limiting field Hp for spin-singlet superconductors with charge-density waves (CDWs), which paramagnetically destroys the ordered phase, possessing coexisting superconducting and CDW order parameters, is calculated ...
  • Parameters of the energy spectrum for holes in CuInSe₂ 
    Gorley, P.М.; Prokopenko, I.V.; Galochkinа, О.О.; Horley, P.P.; Vorobiev, Yu.V.; González-Hernández, J. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2009)
    This paper reports the coefficients Ca,b for the k-linear term in dispersion relation E(k) for holes of the upper valence bands Г⁻₆ and Г⁺₇ in p-CuInSe₂ crystals. We also obtained the tensor components for the carrier ...
  • Parametric crystal optics of nonmagnetic ferroics 
    Vlokh, O.G. (Condensed Matter Physics, 1998)
    Proceeding from the symmetry principles of crystal physics and thermodynamics we analyze parametrical optical phenomena induced by external fields of different kind and structural phase transitions in ferroelectrics ...
  • Parametric modeling of global TEC fields 
    Prokhorenkov, A.S.; Choliy, V.Ya. (Advances in Astronomy and Space Physics, 2012)
    We applied the autoregressive moving average statistical modelling to analysis and forecasting of the global Total Electron Content maps. Autoregressive moving average is a parametric time series and fields modelling method, ...
  • Parametrized Equations for Excitons in Quantum Wires 
    El Haddad, A.; Diouri, J.; Taqi, A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2005)
    A set of analytic equations for calculating the binding energies of excitons in T-shaped and squared quantum well wires are established within the effective mass approximation and the two-band model. The resolution is ...
  • Partial dielectric behavior of the Mo electron spectrum as an effect of Van Hove singularities 
    Ignatyeva, Т.А. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2011)
    The investigation shows that the specific conductivity of Mo sharply decreases exponentially under the temperature influence within the range from ~20 to ~60 K or under the Re impurity influence in the concentration ...
  • Partial polarization switching in ferroelectrics-semiconductors with charged defects 
    Morozovska, A.N.; Eliseev, E.A.; Cattan, E.; Remiens, D. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    We propose the phenomenological description of ferroelectric disordering caused by charged defects in ferroelectric-semiconductors. The good agreement between the obtained experimental results for PZT films and theoretical ...
  • Particle module of Piernik MHD code 
    Drazkowska, J.; Hanasz, M.; Kowalik, K. (Advances in Astronomy and Space Physics, 2011)
    Piernik is a multi-fluid grid magnetohydrodynamic code based on the Relaxing Total Variation Diminishing conservative scheme. The original code has been extended by addition of the dust described within the particle ...
  • Particle transport phenomena in low temperature solids 
    Bargheer, N.; Schwentner, M. (Физика низких температур, 2003)
    We review different approaches to measure the transport of F atoms and ions in rare gas matrices and compare the experimental results to simulations. Static measurements on sandwich structures and co-doped matrices yield ...
  • Passivation of silicon surface by ultrathin dielectric film in M/Si/nematic/ITO structures 
    Gritsenko, M.I.; Kucheev, S.I.; Lytvyn, P.M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    In this work the experimental observation of passivation of silicon surface by ultrathin dielectric film in Al/Si/nematic/Indium Tin Oxide(ITO) structure performed on the base of low resistive (~ several Ωxcm) n-type ...
  • Pathways to metallic hydrogen 
    Silvera, Isaac F.; Deemyad, Shanti (Физика низких температур, 2009)
    The traditional pathway that researchers have used in the goal of producing atomic metallic hydrogen is to compress samples with megabar pressures at low temperature. A number of phases have been observed in solid hydrogen ...
  • Pattern formation in neural dynamical systems governed by mutually Hamiltonian and gradient vector field structures 
    Gafiychuk, V.V.; Prykarpatsky, A.K. (Condensed Matter Physics, 2004)
    We analyze dynamical systems of general form possessing gradient (symmetric) and Hamiltonian (antisymmetric) flow parts. The relevance of such systems to self-organizing processes is discussed. Coherent structure ...
  • Pc1-pulsations: the parallel structure in the magnetosphere plasma with the admixture of the heavy ions 
    Mikhailova, O.S.; Klimushkin, D.Yu.; Mager, P.N. (Advances in Astronomy and Space Physics, 2012)
    The paper deals with the parallel structure of ultra-low frequency waves. To obtain the function describing the wave field we use the quasi-perpendicular approximation (k ̝ » k ֽֽ). Different regions of the wave propagation ...
  • Peculiar features of electron spin resonance spectra in (Ca,Na)-doped lanthanum manganites 
    Tovstolytkin, A.I.; Pogorily, A.M.; Podyalovskii, D.I. (Физика низких температур, 2009)
    The analysis of the ESR spectra for the powdered samples of (Ca,Na)-doped manganites have been performed in the temperature range 220–320 K. It is shown that the samples under investigation are characterized by a broadened ...
  • Peculiarities and asymmetry of polarization reversal in Pt/PZT-film/Pt:Ti/SiO₂/Si-substrate structures in pyroelectric response investigations 
    Bravina, S.L.; Cattan, E.; Morozovsky, N.V.; Remiens, D. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    By RF magnetron sputtering method the Pt/PZT-film/Pt:Ti-sublayer/SiO₂/Si-substrate structures were prepared and pyroelectric response amplitude and phase behaviour under external voltage application was investigated by ...
  • Peculiarities of domain walls with vertical Bloch lines at low temperatures 
    Dovgij, V.T.; Kalkin, A.A.; Astaf`eva, T.G.; Bar`yakhtar, F.G.; Yampolskaya, G.I. (Физика низких температур, 1997)
    The results of experimental studies of the vertical Bloch line (VBL) generation and stability in the epitaxial iron-garnet films (EIGF) with different compounds, anisotropy, implantation, and compensation temperatures are ...

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