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Сортувати за: Порядок: Результатів:

  • Photo-microdomains in ferroelectrics: formation and light scattering caused by them 
    Morozovska, A.N.; Eliseev, E.A.; Obukhovsky, V.V.; Lemeshko, V.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2003)
    We propose the theory of the micro-domains (MD) formation in ferroelectric photorefractive crystals appeared under steady illumination by laser beam perpendicular to the polar axis. The crystal has the donor level made ...
  • Photon activation method to the investigation of bioobjects content for judicial-biological examination 
    Dikiy, N.P.; Dyachenko, A.F.; Lyashko, Yu.V.; Medvedeva, E.P.; Uvarov, V.L.; Borovlev, V.I. (Вопросы атомной науки и техники, 2009)
    Possibilities of the use of nuclear-physical methods for definition of element composition of biological objects (hair of animals) with the target of receipt of additional evidentiary information at the decision of diagnostics ...
  • Photon-assisted scattering and magnetoconductivity oscillations in a strongly correlated 2D electron system formed on the surface of liquid helium 
    Monarkha, Yu.P. (Физика низких температур, 2014)
    The influence of strong internal forces on photon-assisted scattering and on the displacement mechanism of magnetoconductivity oscillations in a two-dimensional (2D) electron gas is theoretically studied. The theory is ...
  • Photon excitation of the third molecular continuum in solid krypton 
    Ogurtsov, A.N.; Savchenko, E.V.; Becker, J.; Runne, M.; Zimmerer, G. (Физика низких температур, 1997)
    Luminescence study of the near-ultraviolet continuum in nominally pure solid krypton under selective excitation by synchrotron radiation is presented. Intrinsic nature of the emission has been established. Clear threshold ...
  • Photon generation in ferromagnetic point contacts 
    Kadigrobov, A.M.; Shekhter, R.I.; Jonson, M. (Физика низких температур, 2012)
    We show theoretically that a significant spin accumulation can occur in electric point contacts between two ferromagnetic electrodes with different magnetizations. Under appropriate conditions an inverse population ...
  • Photon Green’s functions theory for Coulomb correlated quantum well lasers 
    Pereira Jr., M.F. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    A photon Green’s function theory is used to incorporate Bethe-Salpeter-like many body corrections in the computations of output spectra of semiconductor quantum well lasers. Coulomb, quantum-confinement, multiple valence ...
  • Photon-induced spin transport in two-dimensional electron systems 
    Korostil, A. (Збірник наукових праць Інституту проблем моделювання в енергетиці ім. Г.Є. Пухова НАН України, 2011)
    We study spin-dependent transport in a two-dimensional electron gas subject to an external step-like potential V(x) and irradiated by an electromagnetic field (EF). In the absence of EF the electronic spectrum splits into ...
  • Photon kinetics in plasmas 
    Morozov, V.G.; Röpke, G. (Condensed Matter Physics, 2009)
    We present a kinetic theory of radiative processes in many-component plasmas with relativistic electrons and nonrelativistic heavy particles. Using the non-equilibrium Green's function technique in many-particle QED, ...
  • Photon-stimulated recombination of self-trapped holes with electrons in pre-irradiated solid Ar 
    Gumenchuk, G.B.; Bludov, M.A.; Belov, A.G. (Физика низких температур, 2005)
    Spatially separated stable charge centers – trapped electrons and self-trapped holes – are generated in Ar cryocrystals by a low-energy electron beam. A combination of the cathodoluminescence and photon-stimulated ...
  • Photonuclear method of production Cu-67 
    Aizatskyi, N.I.; Dikiy, N.P.; Dovbnya, A.N.; Dolzhek, M.A.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V. (Вопросы атомной науки и техники, 2014)
    The efficiently separation of ⁶⁷Cu is achieved by using diantipyrylpropylmethane (DАPPМ). Experimental separation of ⁶⁷Cu from sulphuric solution (1 mol./L) of zinc (2 mol./L) with addition potassium iodide (0.1 mol./L) ...
  • Photonuclear method of production of free ¹⁵³Sm by use of nanoparticles of samarium oxide and clinotilolite 
    Dikiy, N.P.; Dovbnya, A.N.; Krasnoselskiy, N.V.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2016)
    Наночастинки Sm₂O₃ і клиноптилоліту використовувалися для одержання ¹⁵³Sm з високою питомою активністю за допомогою гальмування ядер віддачі з реакції ¹⁵⁴Sm(γ, n)¹⁵³Sm у клиноптилоліті. Після опромі- нення гальмовим ...
  • Photonuclear production of ⁹⁹Mo/ ⁹⁹ᵐТс-generator with using effect Szilard-Chalmers and electrolysis method 
    Dikiy, N.P.; Layshko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Problems of Atomic Science and Technology, 2022)
    The possibility of photonuclear production of ⁹⁹Mo medical radioisotope using recoil nuclei of molybdenite nanoparticles from reaction ¹⁰⁰Mo(γ,n)⁹⁹Mo was investigated. The enrichment of radioactive isotopes is carried out ...
  • Photonuclear production of F-18 
    Dikiy, N.P.; Dovbnya, A.N.; Krasnoselsky, N.V.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2018)
    ¹⁸F is one of the most important positron emitters which are routinely used in the positron emission tomography (PET). The recoil nuclei method in the ¹⁹F(Ɣ,n)¹⁸F reaction was used for the production of ¹⁸F free carrier. ...
  • Photonuclear production of Pm-149 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2015)
    ¹⁵³Sm is successfully used for palliative treatment of patients with bone metastases and pain. ¹⁵³Sm is being produced in the reactors by means of irradiating of ¹⁵²Sm. In radio-labelled radiopharmaceuticals per each isotope ...
  • Photonuclear production of Yb-175 
    Dikiy, N.P.; Dovbnya, A.N.; Krasnoselsky, N.V.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2017)
    The use of photonuclear nanotechnology makes it possible to obtain the ¹⁷⁵Yb isotope with acceptable characteristics without the content of impurities of other isotopes. Irradiation of Yb₂O₃ nanoparticles of a natural ...
  • Photonuclear reactions cross-sections at energies up to 100 MeV for different experimental setups 
    Deiev, O.S.; Timchenko, I.S.; Olejnik, S.M.; Potin, S.M.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Bocharov, V.А.; Shramenko, B.I. (Problems of Atomic Science and Technology, 2022)
    In experiments on the electron linac LUE-40 of RDC “Accelerator” NSC KIPT, the flux-averaged cross-sections ⟨σ(Еγmax)⟩exp of photonuclear reactions ¹⁰⁰Mo(γ,n)⁹⁹Mo, ²⁷Al(γ,x)²⁴Na, ⁹³Nb(γ,n)⁹²ᵐNb, ⁹³Nb(γ,3n)⁹⁰Nb, and ...
  • Photonuclear reactions on p-shell nuclei at intermediate energies 
    Khodyachikh, A.F. (Вопросы атомной науки и техники, 2003)
    Absolute total and differential cross sections for (g,р)-, (g,n)- and (g,pn)- reactions on the ¹²С, ¹⁴N and ¹⁶О nuclei have been measured using a diffusion chamber placed in a magnetic field and irradiated by a beam of ...
  • Photonuclear transmutation doping of the n-type detector silicon 
    Bochek, G.L.; Kulibaba, V.I.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Ryabka, P.M. (Вопросы атомной науки и техники, 2002)
    New experimental quantitative data on the efficiency of photonuclear transmutation doping of n-type detector silicon were obtained. The express technique for measurement of the efficiency of producing the acceptor minority ...
  • Photo-oxidative action in cervix carcinoma cells induced by HpD — mediated photodynamic therapy 
    Saczko, J.; Skrzypek, W.; Chwilkowska, A.; Choromanska, A.; Pola, A.; Gamian, A.; Kulbacka, J. (Experimental Oncology, 2009)
    Photodynamic therapy leads to oxidative stress through the generation of free radicals. Oxidative stress causes damage to cellular macromolecules such as nucleic acids, proteins and lipids. Aim: To examine the hematoporphyrin ...
  • Photophysical and photochemical processes in cinnamoyl pyrones: influence on spectral properties and photostability 
    Tykhanov, D.O.; Sanin, E.V.; Grygorovych, O.V.; Serikova, I.I.; Yaremenko, F.G.; Roshal, A.D. (Functional Materials, 2011)