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Перегляд Відділення фізико-технічних проблем матеріалознавства за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення фізико-технічних проблем матеріалознавства за назвою

Сортувати за: Порядок: Результатів:

  • Radiation damage of CsI:Eu crystals 
    Gektin, A.; Vasyukov, S.; Shiran, N.; Belsky, A. (Functional Materials, 2013)
    The problems of radiation damage and afterglow nature for CsI:Eu crystal are discussed. It was determined that the luminescence parameters depend on the X-ray irradiation conditions. Irradiation leads to emission suppression ...
  • Radiation damage of isotactic polypropylene composites with multi-walled carbon nanotubes 
    Diyakon, L.V.; Dmytrenko, O.P.; Kulish, N.P.; Prylutskyy, Yu.I.; Grabovskiy, Yu.E.; Belyy, N.M.; Alekseev, S.A.; Alekseev, A.N.; Sementsov, Yu.I.; Gavrylyuk, N.A.; Shlapatskaya, V.V.; Valkunas, L.; Ritter, U.; Scharff, P. (Functional Materials, 2008)
    The crystal structure, IR absorption, and photoluminescence spectra of isotactic polypropylene composites with multi-walled carbon nanotubes (MWCNT) have been studied. MWCNT concentrations in the range from 0.1 to 5 wt. % ...
  • Radiation detector development in KAERI 
    Yong Kyun Kim; Se Hwan Park; Jang Ho Ha; Woo Gyo Lee; Seok Boong Hong; Chong Eun Chung (Functional Materials, 2004)
    The radiation detector research group in KAERI has developed two types of gas-filled radiation detectors, a Gas Electron Multiplier (GEM) and an ion chamber. The double GEM and triple GEM were fabricated and operated in ...
  • Radiation-hard plastic scintillators with 3-hydroxyflavone derivatives 
    Gurkalenko, Yu.A.; Zhmurin, P.N.; Lebedev, V.N.; Pereymak, V.N.; Svidlo, O.V. (Functional Materials, 2016)
    New compositions of radiation-hard plastic scintillators (PS) with content of 3-hydroxyflavone (3HF) derivatives are proposed. It is shown, that the new PS based on polystyrene with these dopants have both the higher ...
  • Radiation-hard plastic scintillator with increased mechanical strength 
    Zhmurin, P.N.; Lebedev, V.N.; Bedrik, A.I.; Titskaya, V.D.; Adadurov, A.F.; Velmozhnaya, E. (Functional Materials, 2015)
    This paper describes possibilities of improving mechanical properties of radiation-hard plastic scintillator (PS) with additives by spatial cross-linking their polymer base. This allows improving the mechanical properties ...
  • Radiation-induced changes in dielectric and photoelectric properties of AᴵᴵBⱽᴵ crystals 
    Ryzhikov, V.; Starzhinskiy, N.; Chugai, O.; Seminozhenko, V.; Migal, V.; Komar, V.; Klimenko, I.; Katrunov, K.; Abashin, S.; Oleinik, S.; Sulima, S.; Zenya, I. (Functional Materials, 2004)
    To determine the kinetics of pre-threshold defect formation, studies have been carried out of dielectric permittivity of isovalently doped zinc selenide and Cd₁₋ₓZnₓTe crystals (x = 0.16). X-ray irradiation of the samples ...
  • Radiation induced defects in M₁₋ₓPrₓF₂₊ₓ (M²⁺ = Ca, Sr, Ba, x = 0.35) solid solutions 
    Boiaryntseva, I.A.; Shiran, N.V.; Gektin, A.V. (Functional Materials, 2012)
    Radiation-induced processes in M₁₋ₓPrₓF₂₊ₓ (M²⁺ = Ca, Sr, Ba, x = 0.35) solid solutions have been studied. It is shown that the radiation coloration of M₀.₆₅Pr₀.₃₅F₂₃₅ crystals is due to the trapping of charge carriers at ...
  • Radiation-induced processes and defects in purified CsI crystals 
    Garapyn, I.; Pavlyk, B.; Tsybulyak, B. (Functional Materials, 2007)
    Defect formation processes under γ-ray irradiation (up to doses of 10⁴-5*10⁶ Gy) in purified Csl crystals have been studied using the electric conductivity measurements, optical absorption spectra and the thermostimulated ...
  • Radiation influence on characteristics of GaP light emitting diodes 
    Borzakovskyj, A.; Gontaruk, O.; Kochkin, V.; Litovchenko, P.; Opilat, V.; Petrenko, I.; Tartachnyk, V. (Functional Materials, 2009)
    The capacitance properties of GaP green and red LEDs have been studied. It was found the character of a doping impurity distribution in the depleted region and the junction depth dependence on bias voltage and impurity ...
  • Radiation resistance of composite scintillators containing grains of Y₂SiO₅:Ce or Y₃Al₅O₁₂:Ce obtained by solid-phase synthesis 
    Boyarintsev, A.Yu.; Galunov, N.Z.; Levchuk, L.G.; Martynenko, E.V.; Nepokupnaya, T.A.; Onufriyev, Yu.D.; Popov, V.F.; Voloshyna, O.V. (Functional Materials, 2018)
    The paper focuses on the study of radiation resistance of composite scintillators containing the grains of Y₂SiO₅:Ce or Y₃Al₅O₁₂:Ce. The paper compares the results obtained for composite scintillators when the grains were ...
  • Radiation resistance of Ti—20Zr alloy in microcrystalline and nanocrystalline state 
    Belous, V.A.; Borodin, O.V.; Bryk, V.V.; Vasilenko, R.L.; Voyevodin, V.N.; Kuprin, A.S.; Ovcharenko, V.D.; Reshetnyak, E.N.; Tolmachova, G.N. (Functional Materials, 2013)
    In this work we studied structure of Ti—20Zr alloy in recrystallized and nanocrystalline conditions before and after irradiation by Zr³⁺ ions with energy 1.8 MeV to 80 dpa at 500° C. By transmission electron microscopy ...
  • Radiative conduction problem in the thin layer of semi-transparent medium. The weak absorption case 
    Kolesnikov, A.V.; Virchenko, Yu.P. (Functional Materials, 2007)
    Heat conduction problem in the thin layer of semi-transparent media is studied. Together with mechanism of ordinary thermal conductance, the energy transfer by electromagnetic irradiation is taked into account. The ...
  • Radiative recombination through EL2 centers in selenium and cadmium single crystals doped gallium arsenide 
    Litvinova, M.B.; Shutov, S.V.; Shtan`ko, A.D.; Kurak, V.V. (Functional Materials, 2006)
    Influence of Cd and Se atoms on the quantum efficiency of photon emission through EL2 defects in gallium arsenide single crystals has been investigated. A comparative technique of impurity diffusion in vacuum and arsenic ...
  • Radiological characterization of metal oxide semiconductor field effect transistor dosimeter 
    Chan-Hyeong Kim; Sang-Hoon Lee; Baodong Wang; X.George Xu (Functional Materials, 2004)
    This paper reports our effort to develop a detailed 3D Monte Carlo simulation model of the High-Sensitivity MOSFET dosimeter using the MCNP 4C code for radiological charac -terization. To determine the dosimeter response ...
  • Radioluminescence mechanism of magnesium aluminate spinel in transparent ceramics 
    Tyutyunik, O.K.; Moskvitin, A.O.; Kazarinov, Yu.G.; Gritsyna, V.T. (Functional Materials, 2010)
  • Radiometric characteristics of combined detectors on the basis of organic and inorganic scintillators and the use thereof in radiational situation monitoring 
    Tarasov, V.A.; Vydai, Yu.T.; Gorbacheva, T.E.; Ananenko, A.A. (Functional Materials, 2009)
    Two types of combined detectors have been developed and manufactured. The first detector type is intended to detect the α and β radiation while the other one, for β and γ radiation. The obtained parameters of the developed ...
  • Radio-transparent ceramic materials of spodumene-cordierite composition 
    Zaichuk, A.V.; Amelina, A.A.; Karasik, Y.V.; Khomenko, Y.S.; Lementareva, V.A.; Saltykov, D.Yu. (Functional Materials, 2019)
    The paper deals with the processes of obtaining radio-transparent ceramic materials with a complex of high physical and chemical indices. Directional regulation of the ceramics' microstructure and phase composition was ...
  • Raman and ESR study of gas detonation deposited hydroxyapatite coatings 
    Dzhagan, V.M.; Valakh, M.Ya.; Konchits, A.A.; Vorona, I.P.; Yefanov, V.S.; Klyui, M.I.; Temchenko, V.P.; Dubok, V.A. (Functional Materials, 2009)
    Structural modification of hydroxyapatite (HAP) formed by gas detonation HAP deposition on metal substrates has been studied using Raman spectroscopy and electron spin resonance (ESR) techniques. It was revealed, that the ...
  • Raman spectra of InᵪTl₁₋ᵪI substitutional solid solutions 
    Dovhyi, Ya.O.; Ternavska, S.V.; Franiv, A.V.; Bovgyra, O.V.; Savchyn, O.V. (Functional Materials, 2005)
    The structure of Raman spectra of InᵪTl₁₋ᵪI substitutional solid solutions (х = 0.2, 0.3, 0.4, 0.5, 0.7) oriented in the (а,с) plane has been studied. Basing on the group theory Analysis, the symmetry of phonon modes has ...
  • Raman spectroscopy of BN and BxNyCz structures formed in an optical furnace without catalysts 
    Sartinska, L.L.; Danilenko, M.I.; Jastrebski, C. (Современные проблемы физического материаловедения, 2010)
    Results of Raman spectroscopy investigations of boron nitride (BN) whiskers, BN and BxNyCz coatings produced in optical furnace without catalysts as well initial h-BN for comparison are presented.

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