Перегляд за автором "Rudko, G.Yu."

Сортувати за: Порядок: Результатів:

  • Analysis of conditions for synthesis of CdS:Mn nanoparticles 
    Kovalchuk, A.O.; Rudko, G.Yu.; Fediv, V.I.; Gule, E.G. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)
    The detailed analysis of the synthesis of CdS:Mn nanoparticles in polyvinyl alcohol polymeric matrix is presented and the ranges of optimal growth parameters are determined. The estimated values of parameters were used to ...
  • Comparison of the synthesis routes for the ZnO/porous silica nanocomposite 
    Rudko, G.Yu.; Kovalenko, S.A.; Gule, E.G.; Bobyk, V.V.; Solomakha, V.M.; Bogoslovskaya, A.B. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2016)
    ZnO/porous silica nanocomposites were successfully fabricated by three different types of synthesis techniques. In all cases, the molecular sieve SBA-16 was used as a porous matrix. The in situ growth the nanoparticles of ...
  • Nucleation and growth kinetics of colloidal nanoparticles CdS:Mn in aqueous solution of polyvinyl alcohol 
    Rudko, G.Yu.; Fediv, V.I.; Savchuk, A.I.; Gule, E.G.; Vorona, I.P.; Nosenko, V.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2014)
    Colloidal undoped CdS and doped CdS:Mn nanoparticles were synthesized in the solution of polyvinyl alcohol polymer, and the process of nanoparticles growth was monitored by optical absorption measurements. The inclusion ...
  • Optical study of thermally induced phase separation in evaporated SiOx films 
    Indutnyy, I.Z.; Lisovskyy, I.P.; Mazunov, D.O.; Shepeliavyi, P.E.; Rudko, G.Yu.; Dan'ko, V.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    SiOx thin films (x ~1.3) have been prepared by thermal vacuum evaporation of silicon monoxide. A thermally stimulated (annealling temperatures – 700 and 1000°C) structural transformation of the Si-O phase in the SiOx layers, ...
  • Paramagnetic defects related to photoluminescence in SiOx films 
    Rudko, G.Yu.; Vorona, I.P.; Indutnyy, I.Z.; Ishchenko, S.S.; Shepeliavyi, P.E.; Yukhymchuk, V.O. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    The correlation between the photoluminescence and paramagnetic defects is studied in SiOx films grown by vacuum thermal deposition and annealed at 750 ⁰C. The as-grown samples exhibit a wide structureless EPR line centered ...
  • Pseudomorphic modulation-doped AlGaAs/InGaAs/GaAs heterostructures with strong manifestation of many-body effects 
    Masselink, W.T.; Kissel, H.; Mueller, U.; Walther, C.; Mazur, Yu.I.; Tarasov, G.G .; Rudko, G.Yu.; Valakh, M.Ya.; Malyarchuk, V.; Zhuchenko, Z.Ya. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    Photoluminescence (PL) study of pseudomorphic heavily modulation-doped AlxGa₁₋xAs/InyGa₁-yAs/GaAs heterostructures shows fundamental changes in the PL spectrum under excitation pumping and/or temperature increase. In most ...
  • Synthesis of colloidal nanoparticles CdS:Mn in the polymer solution for biological applications 
    Fediv, V.I.; Rudko, G.Yu.; Savchuk, A.I.; Gule, E.G.; Davydenko, I.S. (Functional Materials, 2014)
    Kinetics of the colloidal CdS:Mn nanoparticles synthesis in the solutions of polyvinyl pirrolidone and mixture of polyvinyl pirrolidone with polyvinyl alcohol is studied by optical absorption method. The dependences of NPs ...
  • Synthesis of Mn²⁺-doped CdS nanoparticles covered with different adsorptive layers and their application as biosensors 
    Fediv, V.I.; Rudko, G.Yu.; Savchuk, A.I.; Gule, E.G.; Davydenko, I.S.; Olar, O.I.; Volkov, K.S. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2014)
    Colloidal CdS:Mn nanoparticles were synthesized in water solutions of the polymer polyvinyl-pyrrolidone (PVP), the surfactant cetyl-trimethyl-ammonium bromide (CTAB) and the mixture of PVP and CTAB. The sizes of nanoparticles ...
  • Synthesis route and optical characterization of CdS:Mn/polyvinyl alcohol nanocomposite 
    Fediv, V.I.; Rudko, G.Yu.; Savchuk, A.I.; Gule, E.G.; Voloshchuk, A.G. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2012)
    CdS nanoparticles doped with Mn have been synthesized in aqueous solution by using polyvinyl alcohol (PVA) as a capping reagent. Influence of the polymer concentration on the size and concentration of the nanoparticles ...
  • Zinc oxide nanoparticles fabricated in the porous silica matrix by the sublimation method 
    Rudko, G.Yu.; Kovalenko, S.A.; Gule, E.G.; Bobyk, V.V.; Solomakha, V.M.; Bogoslovskaya, A.B. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)
    The nanocomposite – nanoporous silica (SBA-16) containing ZnO quantum dots – was fabricated by the sublimation method. This novel route of synthesizing ZnO nanoparticles implies physical sorption of zinc acetylacetonate ...