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Перегляд Functional Materials, 2004, № 3 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Functional Materials, 2004, № 3 за датою випуску

Сортувати за: Порядок: Результатів:

  • Anisotropy of mechanical properties of oxide single crystals for inorganic scintillators 
    Babiychuk, I.P.; Baumer, V.N.; Bondar, V.G.; Grinyov, B.V.; Krivoshein, V.I.; Nagornaya, L.L.; Pirogov, E.N.; Ryzhikov, V.D. (Functional Materials, 2004)
    Методом склерометрии исследована анизотропия микротвердости монокристаллов PbWO₄ CdWO₄ и Gd₂SiO₅ для определения возможного характера разрушения при механическом воздействии в процессе изготовления сцинтилляторов.
  • Calculations of the dipole electronic polarizability of ions in LiNbO₃ at temperature range (273 + 873)K 
    Shostak, R.I.; Yatsenko, A.V. (Functional Materials, 2004)
    Using the modified well-known Lorenz-Lorentz equation, the dipole electron polarizabilities of ions in stoichiometric LiNbO₃ within a wide temperature range (273 to 873 K) have been calculated. The results obtained can be ...
  • Electronic structure and magnetic properties of rare-earth RM₂ and RM₃ compounds 
    Baranovskiy, A.E.; Grechnev, G.E.; Panfilov, A.S.; Svechkarev, I.V. (Functional Materials, 2004)
    Ab initio calculations of the electronic structure and magnetic properties are carried out for the ferromagnetic Gd0₂ compounds (M = Mg, Al, Fe, Co, Ni, Rh, lr, Pt), and also for the La(ln₁-ₓSnₓ)₃ system. Pressure effects ...
  • Electrical and thermal conductivity of graphite-metal composites 
    Stelmakh, O.I.; Vovchenko, L.L.; Matzui, V.I. (Functional Materials, 2004)
    Electrical and thermal conductivity of graphite-Co(Ni) composites on the basis of two different types of thermoexfoliated graphite, TEG(1) and TEG(2) have been studied. The distinctions in electric resistivity (pD) between ...
  • Normal modes for the vortex state magnetic dots 
    Zaspel, C.E.; Ivanov, B.A. (Functional Materials, 2004)
    Submicron permalloy magnetic dots have a vortex ground state, and application of an in-plane magnetic pulse will result in precession of the vortex about the dot axis at a frequency in the sub GHz range. The precession ...
  • Studies of photoactive states of isovalently doped ZnSe crystals by the method of scanning photodielectric spectroscopy 
    Ryzhikov, V.; Starzhinskiy, N.; Chujai, O.; Migal, V.; Komar, V.; Katrunov, K.; Oleinik, S.; Zenya, I. (Functional Materials, 2004)
    Using methods of photodielectric spectroscopy, studies have been carried out of the energy level structure of the defect complexes in isovalently doped zinc selenide crystals. On variation of light wavelength (λ), small ...
  • Polymer-crystalline structures of cutoff type with homogeneous layers of high refraction index 
    Belayeva, A.I.; Kolomiets, S.N. (Functional Materials, 2004)
    Effect of design parameters on characteristics of cutoff and band polymer-crystalline systems with layers thickness divisible by λ/4 has been studied in detail. The polymer-germanium systems have been shown to be of the ...
  • In-line control of polarization sensitivity for fiber-optic biconical fused single-mode couplers 
    Basiladze, G.D.; Dolgov, A.I.; Berzhansky, V.N. (Functional Materials, 2004)
    The possibility to use the fiber-optic coupler input port as the polarization vector rotator of linearly polarized light introduced therein to control the coupler polarization sensitivity has been demonstrated in experiment. ...
  • Simulation of the local electric field in tetragonal phase of BaTiO₃ 
    Yatsenko, A.A.; Yatsenko, A.V. (Functional Materials, 2004)
    The region of possible combinations of electronic dipole polarizability and effective charges of ions in BaTiO₃ structure at T = 293 К is established. It is shown that electronic polarizability of apical О²⁻ ion is ...
  • Dynamic transformation of domain wall structure in ortho-ferrites 
    Shamsutdinov, M.A.; Ekomasov, E.G.; Shamsutdinov, D.M. (Functional Materials, 2004)
    The stationary dynamics of domain walls in rare-earth ortho-ferrites has been studied theoretically taking into account a possibility of its structure transformation near the sound speed. The study proceeds from the fact ...
  • Influence of Si on microstructure and mechanical properties of TiAISiN hard thin films 
    Nakonechna, O.I.; Zakharenko, M.I. (Functional Materials, 2004)
    Structural and mechanical properties of nanocomposite TiAI(Si)N thin films prepared using arc-plasma PVD deposition technique on WC-Co substrates have been characterized by X-ray diffraction and nanoindentation. TEM have ...
  • Thermoexfoliated graphite — transitional metal nanocomposites 
    Len, T.A.; Matzui, L.Yu.; Babich, N.G.; Kopan, V.S.; Kapitanchuk, L.M. (Functional Materials, 2004)
    Composite materials (CM) have been obtained by chemical deposition of metal on graphite surface. It has been shown that TEG-nanoscaled transition metal CM can be prepared both by long-term salt decomposition on TEG surface ...
  • Exchange coupling peculiarities in ultrathin Fe/Cu/Tb film structures on Si substrates 
    Pogoryelov, Ye.O.; Podyalovski, D.I. (Functional Materials, 2004)
    Exchange coupling in ultrathin Fe(8 A)/[Cu/Tb (12 A) film structure has been studied. The film samples were prepared on Si substrates by electron-beam evaporation in an ultrahigh vacuum system having a background pressure ...
  • Exchange coupling peculiarities in ultrathin Fe/Cu/Tb film structures on Si substrates 
    Pogoryelov, Ye.O.; Podyalovski, D.I. (Functional Materials, 2004)
    Exchange coupling in ultrathin Fe(8 A)/[Cu/Tb (12 A) film structure has been studied. The film samples were prepared on Si substrates by electron-beam evaporation in an ultrahigh vacuum system having a background pressure ...
  • 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 ...
  • Synthesis of lead zirconate: influence of zirconium oxide crystal modification 
    Vovk, E.A.; Deineka, T.G.; Ishchuk, V.M.; Ramakaeva, R.Ph.; Volkova, G.K.; Konstantinova, T.E. (Functional Materials, 2004)
    Specific features of lead zirconate synthesis from zirconium oxide of various crystal modifications (monoclinic, tetragonal, and cubic) have been studied. The monoclinic zirconium oxide has been shown to exhibit thehighest ...
  • Materials with ferro-antiferroelectric phase transition intented for energy accumulated and converting devices 
    Ishchuk, V.M.; Spiridonov, N.A. (Functional Materials, 2004)
    Considered are the results of development of materials for energy accumulating and converting devices. Requirements to such materials are formulated. Investigated is one of the directions for raising their efficiency which ...
  • Phase transformations in the synthesis of La₀.₇Sr₀.₃MnO₃ nanopowders 
    Danilenko, I.A.; Konstantinova, T.E.; Shatalova, G.E.; Volkova, G.K.; Doroshkevich, A.S.; Glazunova, V.A. (Functional Materials, 2004)
    La₀.₇Sr₀.₃MnO₃ nanopowder has been obtained by co-precipitation of the metal salts out of solution using sodium carbonate. The nanopowder synthesized contains two morphologically different particle types of 40 and 100 to ...
  • Capacitor and resonator ceramics with low sintering temperature 
    Vovk, E.A.; Deineka, T.G.; Ishchuk, V.M.; Mateichenko, P.V. (Functional Materials, 2004)
    A complex-composition ceramic condenser material based on barium titanate and a ceramic resonator material based on barium-neodymium titanate are obtained and investigated. Developed are glass technological additions which ...
  • Acoustic emission method for investigation of functional materials 
    Lyashenko, O.V.; Kravtsov, M.V.; Veleschuk, V.P. (Functional Materials, 2004)
    The analysis of the experimental results is carried out at examination of acoustic emission (AE) at dynamic and statical actions. It is shown, that threshold origin AE is accompanied time or stationary values by modifications ...

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