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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:

  • Rabi oscillations and quantum beats in a qubit in distorted magnetic field 
    Ivanchenko, E.A.; Tolstoluzhsky, A.P. (Физика низких температур, 2007)
    In a two-level system the time-periodic modulation of the magnetic field stabilizing the magnetic resonance position has been investigated. It was shown that the fundamental resonance is stable with respect to consistent ...
  • Rabi oscillations in systems with small anharmonicity 
    Amin, M.H.S. (Физика низких температур, 2006)
    When a two-level quantum system is irradiated with a microwave signal in resonance with the energy difference between the levels, it starts Rabi oscillations between those states. If there are other states close, in ...
  • Radar cross section study from wave scattering structures 
    Redadaa, S.; Boualleg, A.; Benslama, N. Merabtine M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2006)
    Radar remote sensing deals with the extraction of object information from electromagnetic wave parameters. To fully exploit the potential of acquiring quantitative information requires a detailed description of the microwaves ...
  • Radar Range Equation for Ultra Wideband Signals and Ultra Short Pulses 
    Avdeev, V.B. (Радиофизика и радиоастрономия, 2002)
    The range equation for radiolocation of an object and its elements with ultrawideband signals (UWBS) and ultra short pulses (USP) are resulted. The criticism of other published equations is given.
  • Radial thermal expansion of pure and Xe-saturated bundles of single-walled carbon nanotubes at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Popov, S.N.; Vinnikov, N.A.; Danilenko, N.I.; Sundqvist, B. (Физика низких температур, 2009)
    The radial thermal expansion coefficient ar of pure and Xe-saturated bundles of single-walled carbon nanotubes (CNT) has been measured in the interval 2.2-120 K. The coefficient is positive above T = 5.5 K and negative at ...
  • Radial thermal expansion of pure and Xe-saturated bundles of single-walled carbon nanotubes at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Popov, S.N.; Vinnikov, N.A.; Danilenko, N.I.; Sundqvist, B. (Физика низких температур, 2009)
    The radial thermal expansion coefficient ar of pure and Xe-saturated bundles of single-walled carbon nanotubes (CNT) has been measured in the interval 2.2-120 K. The coefficient is positive above T = 5.5 K and negative at ...
  • Radial thermal expansion of single-walled carbon nanotube bundles at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Vinnikov, N.A.; Popov, S.N.; Sundqvist, B. (Физика низких температур, 2008)
    For the first time the linear coefficient of the radial thermal expansion has been measured on a system of SWNT bundles at low temperatures (2.2–120 K). The measurements were performed using a dilatometer with a sensitivity ...
  • Radiation/annealing-induced structural changes in GexAs₄₀-xS₆₀ glasses as revealed from high-energy synchrotron X-ray diffraction measurements 
    Kavetskyy, T.S.; Tsmots, V.M.; Stepanov, A.L. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2012)
    Local atomic structure of GexAs₄₀-xS₆₀ glasses (x = 16, 24, 32, and 36) has been investigated in the -irradiated (2.41 MGy dose) and annealed after irradiation states by using the high-energy synchrotron X-ray diffraction ...
  • Radiation creation of cation defects in alkali halide crystals: Review and today’s concept 
    Lushchik, A.; Lushchik, Ch.; Vasil’chenko, E.; Popov, A.I. (Физика низких температур, 2018)
    Irradiation of alkali halide crystals creates pairs of Frenkel defects both in anion and cation sublattices. How-ever, the particular nonimpact creation mechanisms (related to the decay of different electronic excitations) ...
  • Radiation damages and self-sputtering of high-radioactive dielectrics: spontaneous emission of submicronic dust particles 
    Baryakhtar, V.; Gonchar, V.; Zhidkov, A.; Zhydkov, V. (Condensed Matter Physics, 2002)
    The spontaneous emission of submicronic particles from a surface of highradioactive dielectrics has been under the experimental study for the first time. Formation of disordered regions due to intrinsic irradiation and ...
  • Radiation dynamics of injection lasers with saturating absorber in resonator 
    Manak, I.S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2008)
    The structure of a GaAlAs laser with saturating absorber in a resonator and a method of research of the light generation dynamics with the use of an optical stroboscopic oscilloscope OSO-1 which has a time resolution of ...
  • Radiation effects on electronic circuits in a spatial environment 
    Merabtine, N.; Benslama, M.; Benslama, A.; Sadaoui, Dj. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    The failings bound to the deterioration of the components under irradiations are complex and numerous. This paper describes the different kinds of radiations present in the space as well as their interactions with the ...
  • Radiation hardness of AlAs/GaAs-based resonant tunneling diodes 
    Belyaev, A.A.; Belyaev, A.E.; Konakova, R.V.; Vitusevich, S.A.; Milenin, V.V.; Soloviev, E.A.; Kravchenko, L.N.; Figielski, T.; Wosinski, T.; Makosa, A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 1999)
    The total dose effects of ⁶⁰Co γ-radiation on the electrical properties of double-barrier Resonant Tunneling Diodes have been studied. The devices manifest enhanced radiation hardness and conserve their operating parameters ...
  • Radiation-induced changes in infra-red spectrum of black zinc diphosphide monocrystals 
    Kudin, A.P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    For the first time the effect of ionizing particles of different type (gamma-quanta, electrons) and neutrons upon infra-red spectra of zinc diphosphide has been studied. It was shown that the defects of phosphorus sublattice, ...
  • Radiation-induced optical darkening and oxidation effects in As₂S₃ glass 
    Kavetskyy, T.S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2014)
    The long-wave shift of fundamental optical absorption edge with decreasing the sample’s transparency in the saturation region in the As₂S₃ bulk glass (2 mm thick) due to radiation treatment by ⁶⁰Co y-quanta with the average ...
  • Radiation-induced structural changes in chalcogenide glasses as revealed from Raman spectroscopy measurements 
    Kavetskyy, T.S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2013)
    Radiation-induced structural changes in the chalcogenide glasses of (As₂S₃)x(GeS₂)₍₁₋х₎ system with x = 0.1, 0.2, 0.4, and 0.6 corresponding to the chemical compositions Ge₂₈.₁₂₅As₆.₂₅S₆₅.₆₂₅, Ge₂₃.₅As₁₁.₈S₆₄.₇, Ge₁₅.₈As₂₁S₆₃.₂, ...
  • Radiation of Ultra-Wideband (UWB) Signals 
    Immoreev, I.J.; Sinyavin, A.N. (Радиофизика и радиоастрономия, 2002)
    The radiation of short duration signals (or ultra-wideband – UWB signals) is significantly different from the long duration narrowband signals (see Table 1 below). Paper analyzed the processes in linear antennas and gives ...
  • Radiation power spectral distribution of two electrons moving in magnetic fields 
    Konstantinovich, A.V.; Melnychuk, S.V.; Konstantinovich, I.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2005)
    Integral expressions for spectral distributions of the radiation power for systems of non-interacting point charged particles moving on arbitrary trajectory in electromagnetic fields in isotropic transparent media and in ...
  • Radiation-resistant ultraviolet curable polyurethane films with CdSe-ZnS сore-shell nanocrystals 
    Kulish, N.R.; Kunets, V.P.; Narsingi, K.Y.; Manasreh, M.O.; Kunets, Vas. P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2013)
    The effect of proton fluence of different doses (up to 9×10¹⁵ protons/cm² ) on the absorption spectra of UV-cured polyurethane films doped by CdSe/ZnS nanocrystals has been investigated. We found that the degradation of ...
  • Radiation spectrum of an electron moving in a spiralin medium 
    Konstantinovich, A.V.; Konstantinovich, I.A. (Condensed Matter Physics, 2007)
    The action of the Doppler effect on the particularities of radiation power spectral distribution of an electron moving in a spiral in a medium has been investigated near the Cherenkov threshold. The fine structure of the ...

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