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Перегляд Functional Materials, 2007, том 14 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Functional Materials, 2007, том 14 за датою випуску

Сортувати за: Порядок: Результатів:

  • Application of the Judd-Ofelt theory to Pr³⁺ ions in Y₂SiO₅ crystals 
    Zhmurin, P.N. (Functional Materials, 2007)
    The results of the Judd-Ofelt theory application to Pr³⁺ doped Y₂SiO₅ are presented. For the first time for this matrix, the Ω₂, Ω₄, Ω₆ parameters have been determined and radiative lifetimes of ³P₀ and ¹D₂ multiplet states ...
  • Minimal Fermi model 
    Naplekov, D.M.; Tur, A.V.; Yanovsky, V.V. (Functional Materials, 2007)
    In this work, we consider the simple model for Fermi acceleration of a particle between two periodically oscillating walls, The law of wall movement is continuous but not smooth. Exact mapping for this system has been ...
  • The structural relaxation and anisotropy of the spring-back in metals 
    Usov, V.V.; Novikov, V.V.; Shkaratulyak, N.M.; Titenkov, A.N.; Mamay, D.V. (Functional Materials, 2007)
    The spring-back phenomenon in rolled copper and aluminum sheets has been studied in expirement. The time dependences of strain at bending of specimens under permanent load have been described by power functions with a ...
  • The aggregation of point defetc in dislocation-free silicon single crystals 
    Talanin, V.I.; Talanin, I.E.; Voronin, A.A.; Sirota, A.V. (Functional Materials, 2007)
    The formation kinetics for grown-in microdefects nucleation centers in dislocation-free silicon single crystals has been considered. It has been demonstrated that the diffusion-controlled aggregation of point defects defines ...
  • Excess conductivity and pseudogap state in YBa₂Cu₃-yAlyO₇₋δ single crystals with a system of undirectional twin boundaries 
    Vovk, R.V.; Obolenskii, M.A.; Bondarenko, A.V. (Functional Materials, 2007)
    The conductivity in the basis plane of YBa₂Cu₃-yAlyO₇₋δ single crystals with a pre-specified topology of plane defects has been investigated. The results indicate that the doping with Al results in increased number of the ...
  • Influence of structural relaxation on the performance of Co-Based amorphous metallic alloys 
    Zakharenko, M.I.; Semen`ko, M.P.; Yeremenko, G.V. (Functional Materials, 2007)
    The influence of structural relaxation on the electric resistivity p and structure parameters of low-alloyed Co—Cr—Si—B amorphous metallic alloys has been studied. These materials show a minimum in p(T) dependences. It has ...
  • The method of optical investigations of the nanostructural diamond-like a-C:N films 
    Kara-Murza, S.V.; Belyaev, B.V.; Gritskih, V.A.; Zhikharev, I.V.; Kortchikova, N.V.; Naumenko, D.A.; Prudnikov, A.M. (Functional Materials, 2007)
    A complex technique has been proposed for optical investigations of nanostructured diamond-like a—C:N films. To determine the thickness d, refractive index no and extinction coefficient n₀, the refraction ellipsometry at ...
  • The relaxation phenomena in irradiated PZT type piezoceramics 
    Zachariasz, R.; Ilczuk, J.; Brus, B. (Functional Materials, 2007)
    The samples of PZT type multi-component piezoceramics Pb₀.₉₇₅Ba₀.₀₁Ca₀.₀₁Sr₀.₀₀₅(Zr₀.₅₂Ti₀.₄₈)O₃ + 1.4 wt.% Bi₂O₃ + 0.3 wt% GeO obtained by hot pressing were shaped as (30x10x0.9) mm3 plane-parallel plates. Some samples ...
  • Influence of domain structure on relaxation phenomena in the PZT ceramic 
    Brus, B.; Ilczhuk, J.; Zarycka, A.; Czerwiec, M. (Functional Materials, 2007)
    The temperature dependences of internal friction in PZT ceramics have been obtained in a wide temperature range from the room temperature to that exceeding the phase transition point from ferroelectric to paraelectric ...
  • Electrophysical properties of polymer composites penton-silver iodide system in 8-12 GHz frequency region 
    Rokitsky, M.A.; Gorbyk, P.P.; Levandovsky, V.V.; Makhno, S.M.; Kondratenko, O.V.; Shut, N.I. (Functional Materials, 2007)
    The heat field influence on electrophysical properties of polymer composites of the penton — dispersed silver iodide (Agl) system at volume filling from 0 to 100 % have been studied in 8-12 GHz frequency range. It has been ...
  • Luminescence modification of CsI crystal activated by CsCI impurity 
    Voloshinovskii, A.; Myagkota, S.; Chornodolsky, Ya.; Stryganyuk, G. (Functional Materials, 2007)
    Luminescence parameters of CSI-CsCI (0.5-1.0 mol.%) and CsI-PbCI₂ (0.5 mol.%) crystals have been studied under synchrotron and X-ray excitation. New bands have been reavealed in the luminescence spectra of crystals wich ...
  • Dominant point defects in doped cadmium telluride CdTe:Ge 
    Freik, D.M.; Pysklynets, U.M.; Mezhylovska, L.Y. (Functional Materials, 2007)
    Quasi-chemical equations have been proposed for the formation of point defects (PD) and complexes thereof in germanium-doped cadmium telluride single crystals. Baric and temperature dependences of dominant PD and free ...
  • Synthesis, morphology, and compactibility of tetragonal zirconia nanopowders 
    Gabelkov, S.V.; Tarasov, R.V.; Poltavsev, N.S.; Starolat, M.P.; Andrievskaya, N.F.; Mironova, A.G.; Ledovskaya, E.G.; Litvinenko, L.M.; Odeychuk, M.A.; Belkin, F.V. (Functional Materials, 2007)
    Fine-grained powders of tetragonal zirconia have been obtained by joint precipitation from aqueous zirconium and yttrium nitrate solutions followed by synthesis under thermal decomposition of hydroxides. The powders show ...
  • Synthesis of strontium tetroborate SrB₄O₇ for single crystal growth 
    Korshikova, T.I.; Parkhomenko, S.V.; Tolmachev, A.V.; Yavetskiy, R.P. (Functional Materials, 2007)
    The possiblility of the single phase SrB₄O₇ synthesis the amorphous phase formation stage has been shown. Using XPA and DTA methods, the formation of strontium borate hydrates has been determined to occur at T = 95±5°C in ...
  • Structure and stress state of ion-plasma hafnium condensates 
    Vus, A.S.; Malykhin, S.V.; Pugachev, A.T.; Reshetnyak, E.N.; Azhazha, R.V.; Kovtun, K.V. (Functional Materials, 2007)
    The 0.05-0.5 μm trick films have been obtained from GFE-1 grade hafnium target by magnetron sputtering using argon ions. Purity of the obtained films was controlled by X-ray fluorescence spectroscopy. The structure of films ...
  • Silicon crystal strength reduction due to magnetoresonance 
    Makara, V.A.; Pogorilyi, A.M.; Steblenko, L.P.; Kuryliuk, A.M.; Naumenko, S.M.; Kobzar, Yu.L.; Kravets, A.F.; Podyalovsky, D.I.; Matveeva, O.V. (Functional Materials, 2007)
    The magnetoresonance influence as well as the micrawave superhigh-frequency (SHF) magnetic field effect on the microhardness of silicon crystals has been studied. It is established that the action of SHF field results in ...
  • Electodiposition kinetics, structure and optical properties of cadmium sulfide films 
    Klochko, N.P. (Functional Materials, 2007)
    The selection of the optimal regimes for electrodeposition of near-stoichiometric cadmium sulfide (CdS) layers has been provided by means of voltammetric studies of cadmium and sulfur separate and joint electrodeposition ...
  • Crustallogeometric regularities of main crack origination and development in two-dimensional aluminum polycrystals 
    Badiyan, E.E.; Tonkopryad, A.G.; Shekhovtsov, O.V.; Shurinov, R.V. (Functional Materials, 2007)
    Connection between crystallographic orientation of grains and arise and develpment of the main cracks in plastic deformated two-dimentional aluminium polycrystals with the average size of grains of about 10 mm is investigated. ...
  • Study of spectral and luminescence properties and association in hydrocarbon solvents of stilbene and distyrylbenzene derivatieves 
    Shershukov, V.M.; Bedryk, A.I.; Doroshenko, A.O. (Functional Materials, 2007)
    Spectral and luminescence properties and association of stilbene and distyrylbenzene derivatives in hydrocarbon solvents have been studied. The bulky triphenyl amine group being a strong electron donor introduced in those ...
  • The given level attainment problem and material destruction 
    Yastrubenko, M.I. (Functional Materials, 2007)
    In frameworks of percolation scenario of material destruction, the general stochastic model is proposed. It is connected with the so-called attainment problem of the given level E > 0 in the case of independent, equally ...

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