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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:

  • Ring polymers in confined geometries 
    Usatenko, Z.; Halun, J.; Kuterba, P. (Condensed Matter Physics, 2016)
    The investigation of a dilute solution of phantom ideal ring polymers and ring polymers with excluded volume interactions (EVI) in a good solvent confined in a slit geometry of two parallel repulsive walls and in a ...
  • Role of attractive forces in determining the equilibrium structure and dynamics of simple liquids 
    Toxvaerd, S. (Condensed Matter Physics, 2015)
    Molecular Dynamics simulations of a Lennard-Jones system with different range of attraction show that the attractive forces modify the radial distribution of the particles. For condensed liquids only, the forces within the ...
  • Role of dislocations in formation of ohmic contacts to heavily doped n-Si 
    Belyaev, A.E.; Pilipenko, V.A.; Anischik, V.M.; Petlitskaya, T.V.; Klad’ko, V.P.; Konakova, R.V.; Boltovets, N.S.; Korostinskaya, T.V.; Kapitanchuk, L.M.; Kudryk, Ya.Ya.; Vinogradov, A.O.; Sheremet, V.N. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2013)
    We present experimental results concerning a high density of structural defects (in particular, dislocations) in the near-contact region of heavily doped n-silicon. They appear in the course of firing Au Pd Ti Pd -Si n ...
  • Role of piezoelectricity in dielectric response of Rochelle salt type crystals 
    Levitskii, R.R.; Zachek, I.R.; Verkholyak, T.M.; Moina, A.P. (Condensed Matter Physics, 2003)
    Comparing the spontaneous polarizations, static and dynamic dielectric properties of piezoelectric Rochelle salt and non-piezoelectric RbHSO₄ we explore the role played by piezoelectric coupling in forming the ...
  • Role of Sb additive in the dielectric properties of f Se₉₀In₁₀ and Se₇₅In₂₅ glassy alloys 
    Sharma, J.; Kumar, S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2011)
    In this paper, we report the effect of Sb additive on dielectric properties of two binary − InSe glassy systems, comparing the properties of a- Se₉₀In₁₀ a- Se₇₅In₂₅ and a Se₇₅In₂₅Sb₁₅ glassy alloys. The temperature and ...
  • Role of short-range atom-atom forces in formation of the orientational structure of simple molecular crystals 
    Yakub, E.S. (Физика низких температур, 2019)
    An attempt is made to explain the appearance of certain phases having different orientational and spatial structures in the phase diagram of crystals formed by tetrahedral molecules. The classical Monte Carlo method ...
  • Role of silicon oxide defects in emission process of Si-SiO₂ systems 
    Baran, M.; Bulakh, B.; Korsunska, N.; Khomenkova, L.; Yukhymchuk, V.; Sheinkman, M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2003)
    Si-rich SiO₂ films prepared by r.f. magnetron sputtering and annealed at 1150 °C are investigated by photoluminescence, Raman and EPR methods. It is found that emission spectrum of as-prepared samples contains one broad ...
  • Role of single-particle and pair condensates in Bose systems with arbitrary intensity of interaction 
    Peletminskii, A.S.; Peletminskii, S.V.; Poluektov, Yu.M. (Condensed Matter Physics, 2013)
    We study a superfluid Bose system with single-particle and pair condensates on the basis of a half-phenomenological theory of a Bose liquid not involving the weakness of interparticle interaction. The coupled equations ...
  • Role of surface structure in photoelectron emission from solid Ne: impurities, defect and low-coordinated sites 
    Dmitriev, Yu.A. (Физика низких температур, 2012)
    Electron emission was obtained from a solid Ne sample growing from the gas phase on a low temperature substrate. The surface of the sample was irradiated by the light of an open-source microwave discharge running in the ...
  • Role of the orientational subsystem in the expansion of pure CF₆, CHCl₃, C₆H₆, CCl₄ and N₂O with Kr impurity 
    Zholonko, N.N.; Tsibulin, V.V.; Sarwar, I. (Физика низких температур, 2003)
    The linear expansion coefficients of solid bulk samples of N₂O with Kr 5% impurity are measured by an absolute dilatometric method in comparison with pure N₂O in the temperature range 80–150 K. An additional unusual ...
  • Room-temperature ultraviolet laser emission from ZnO hexagonal microprisms and nanowires 
    Kapustianyk, V.; Turko, B.; Rudyk, Y.; Tsybulskyi, V.; Rudyk, V.; Vaskiv, A. (Физическая инженерия поверхности, 2015)
    We report the observation of optically pumped laser generation in ZnO microprisms and nanowires at room temperature. The ZnO microprisms were grown on the single crystal (100) silicon substrates by a solid-vapor-phase ...
  • Rosensweig instability in ferrofluids 
    Kats, E.I. (Физика низких температур, 2011)
    We propose a simple model to analyze stability of the free surface of horizontally unbound ferrofluid in a vertical magnetic field. With respect to the well known Rosensweig instability (see e.g., R.E.Rosensweig, Ferro ...
  • Rosetta space mission to Comet 67P/Churyumov−Gerasimenko 
    Churyumov, K.I. (Кинематика и физика небесных тел, 2005)
    On March 2, 2004 Rosetta space mission successfully started from the Kourou cosmodrom to Comet 67P/Churyumov–Gerasimenko. Upon entering orbit around the nucleus observations will be made as the comet becomes more active ...
  • Rotating plasma 
    Фареник, В.И. (Журнал физики и инженерии поверхности, 2016)
    80-летию со дня рождения А. М. Рожкова посвящается (1936–1994)
  • Rotationally induced luminescence of nanoclusters immersed in superfluid helium 
    McColgan, P.T.; Sheludiakov, S.; Rentzepis, P.M.; Lee, D.M.; Khmelenko, V.V. (Физика низких температур, 2019)
    We studied the influence of rotation speed of a beaker containing superfluid helium (He II) on the intensity of luminescence of collections of nanoclusters immersed in He II. We observed an increase in the α-group ...
  • Rovibrational transitions and nuclear spin conversion of methane in parahydrogen crystals 
    Miki, Masaaki; Momose, Takamasa (Физика низких температур, 2000)
    Solid parahydrogen is an excellent matrix for matrix-isolation spectroscopy because of its high spectral resolution. Here we describe the rovibrational structure and nuclear spin conversion of CH₄ embedded in parahydrogen ...
  • Ruled Surfaces as Pseudospherical Congruences 
    Gorkavyy, V.O.; Nevmerzhitska, O.M. (Журнал математической физики, анализа, геометрии, 2009)
    Two-dimensional ruled surfaces in the spaces of constant curvature Rⁿ, Sⁿ, Hn and in the Riemannian products Sⁿ x R¹, Hⁿ x R¹ are considered. A ruled surface is proved to represent a pseudospherical congruence if and only ...
  • Ruled Surfaces in E⁴ with Constant Ratio of the Gaussian Curvature and Gaussian Torsion 
    Goncharova, O.A. (Журнал математической физики, анализа, геометрии, 2008)
    Local and global existence theorems on the ruled surfaces with a constant ratio of the Gaussian curvature and Gaussian torsion are proved.
  • R Северной Короны в минимумах блеска 1977 и 1983 гг. II. Спектральные наблюдения 
    Розенбуш, А.Э. (Кинематика и физика небесных тел, 1986)
    Прослежено развитие эмиссионного спектра R Северной Короны на спаде блеска в глубокие минимумы 1977 и 1983 гг. Уверенно отождествлены линии Ti II, Sc II, Sr II, Ca II, Ca I, Ba II, He I, Na I. Линии Н и К Са II имеют ...
  • R Северной Короны в минимумах блеска 1977 и 1983 гг. I. Фотометрия 
    Розенбуш, А.Э. (Кинематика и физика небесных тел, 1986)
    Приведены результаты UBV фотометрии R Северной Короны в глубоких минимумах блеска 1977 и 1983 гг. С привлечением спектральных наблюдений оценивается вклад эмиссионных линий в изменения показателей цвета B — V и U— B в ходе ...

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