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  • 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)
  • Photophysical properties of novel luminescent dyes: difluoroborate complexes of benz[c,d]indole derivates 
    Navozenko, O.M.; Yashchuk, V.M.; Slominskii, Yu.L.; Kachkovsky, O.D.; Naumenko, A.P.; Myagchenko, Y.O. (Functional Materials, 2012)
    The fluorescence and absorption spectra of new boron-containing dyes have been studied. Using standard techniques, the quantum yield and fluorescence decay characteristics for these substances in liquid solutions were ...
  • Photoplastic Effect in Narrow-Gap Mercury Chalcogenide Crystals 
    Koman, B.P.; Balitskii, O.O.; Leonov, D.S. (Металлофизика и новейшие технологии, 2018)
    The paper elucidates the peculiarities of photoplasticization effect (PPE) occurring in narrow-gap crystals of mercury chalcogenides illuminated by white light during the process of uniaxial deformation. As found, the ...
  • Photopleochroism of surface-barrier structures based on semiinsulating cadmium telluride 
    Ilchuk, G.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    The method of mass-transfer reaction with compounds NH₄ (Cl, Br, J) as a transроrting agent is developed, and single crystals of semiinsulating CdTe are grown. Interaction of plane-polarized radiation with In-p-CdTe barrier ...
  • Photoproduction of the electron-positron pair with photon emission kinematics in strong magnetic field 
    Fomin, P.I.; Kholodov, R.I. (Вопросы атомной науки и техники, 2005)
    The process of the photoproduction of the electron-positron pair with photon emission in strong magnetic field is studied. A kinematics of the process is investigated and threshold values of energies and momenta of particles ...
  • Photoreactive DNA as a tool for studying topography of nucleotide excision repair complex 
    Rechkunova, N.I.; Krasikova, Y.S.; Maltseva, E.A.; Lavrik, O.I. (Вiopolymers and Cell, 2012)
    Эксцизионная репарация нуклеотидов (ЭРН) – один из основных путей репарации в клетках эукариотов, предотвращающих возникновение генетических аномалий вследствие повреждения ДНК. С помощью ЭРН происходит удаление широкого ...
  • Photoresonance and conductivity of surface electrons on liquid ³He 
    Konstantinov, D.; Monarkha, Y.; Kono, K. (Физика низких температур, 2008)
    Resonance variations of the in-plane conductivity of surface electrons (SEs) over liquid ³He induced by microwave (MW) radiation of a fixed frequency are experimentally and theoretically studied for low temperature scattering ...
  • Photoresponse in Ge/Si nanostructures with quantum dots 
    Nikolenko, A.S.; Kondratenko, S.V.; Vakulenko, O.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2006)
    Photovoltaic properties of Si samples with Ge quantum dots were studied. Photosensitivity spectra and current-voltage characteristics at 90 and 290 K were investigated. Negative photoconductivity of samples was revealed ...
  • Photoresponse of Schottky-barrier detector under strong IR laser excitation 
    Asmontas, S.; Seliuta, D.; Sirmulis, E. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    Peculiarities of the photovoltaic effect in Ti/n-Si Schottky contact have been studied experimentally under infrared (IR) laser excitation at wavelengths 2.79, 3, 5, 7 and 10.6 mm. We demonstrate that strong laser excitation ...
  • Photosensitive heterostructures CdTe-PbTe prepared by hot-wall technique 
    Movchan, S.; Sizov, F.; Tetyorkin, V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 1999)
    Hot-wall technique has been used for preparation of CdTe-PbTe heterostructures. BaF₂ single crystals served as substrates. Electrical, photoelectric properties as well as noise spectra were investigated. Heterostructures ...
  • Photosensitive in wide spectral region composites based on polyphenylenevinylene 
    Syromyatnikov, V.; Pomaz, I.; Verbitsky, A.; Vertsimakha, Ya.; Nešpůrek, S.; Pochekaylov, S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2009)
    Optical and photovoltaic properties of polyphenylenevinylene derivative – poly(2-methoxy-5-(3-,7-dimethyl-octyloxy)-1,4-phenylenevinylene (MDMO-PPV) and its composites with high (40 %) concentration polymethine dyes (PD) ...
  • Photosensitive porous silicon based structures 
    Svechnikov, S.V.; Kaganovich, E.B.; Manoilov, E.G. (Semiconductor Physics Quantum Electronics & Optoelectronics, 1998)
    We present results of electrical and photoelectrical measurements on two types of Al/porous silicon (PS)/monocrystalline silicon (c-Si)/Al sandwich structures with thin and thick PS layers obtained by stain etching. ...
  • Photospheric plasma motions in the magnetic field of a single sunspot umbra 
    Gopasyuk, O.S.; Gopasyuk, S.I. (Кинематика и физика небесных тел, 2005)
    The analysis of observed velocity fields in sunspots shows that the plasma motions above a sunspot umbra do not agree with the equation of continuity. We assumed that in the temperature minimum region above a sunspot umbra ...