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  • Редуктор привода дверей кабины лифта 
    BOSTAN, Ion; DULGHERU, Valeriu; MAZURU, Sergiu (Государственный Комитет СССР по делам изобретений и открытий, 1991-06-23)
    Изобретение относится к лифтостроению и может быть использовано в приводах раздвижных дверей лифта. Цель изобретения – уменьшение габаритов и повышение надежности редуктора.
  • Особенности валентных зон некоторых соединений AIIBV 
    СЫРБУ, Н. Н.; КАМЕРЦЕЛЬ, А. Ю.; СТАМОВ, И. Г. (Ioffe Institute, 1992)
    Исследованы оже-спектры поверхностей кристаллов.Разработана модель и восстановлены «истинные» оже-линии элементов (Zn, Cd, As. Р) по дифференциальным спектрам. Получено распределение плотности занятых состояний в валентной ...
  • Рамановские и ИК колебательные спектры в кристаллах TIGAS2 
    СЫРБУ, Н. Н.; ЛЬВИН, В. Э.; ЗАДНИПРУ, И. Б.; НОЙМАНН, X.; СОБОТТА, X.; РИЕДЕ, В. (Ioffe Institute, 1992)
    Исследованы рамановское рассеяние в различных геометриях кристаллов TlGaS2 и их температурные зависимости в области 77—400 К. Обнаружен фазовый переход, который приводит к изменениям поляризационных зависимостей колебательных ...
  • Infrared Lattice Vibrations of TI3AsS4 
    NEUMANN, H.; SOBOTTA, H.; RIEDE, V.; KAMBA, S.; SYRBU, N. N.; GOLOVEI, M. I. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1992)
    Infrared reflectivity spectra of TI3AsS4 single crystals are measured at room temperature in the wavenumber range from 30 to 4000 cm−1 for the polarization directions E‖ c and E ‖ a. An analysis of the spectra with the ...
  • Infrared Lattice Vibrations of TlAsS2 
    SOBOTTA, H.; NEUMANN, H.; DREILING, R.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1992)
    The ternary compound TIAsS2 belongs to the family of TI-V-VI2 semiconductors with V= As, Sb, Bi and VI=S, Se, Te that have been investigated rather extensively with regard to their phase diagrams, electronic band structure, ...
  • Structural instability of an impurity subsystem induced by monocrystal deformation 
    BODIUL, P. P.; GARABAZHIU, V. F.; KONDRYA, E. P.; NIKOLAYEVA, A. A. (Elsevier, 1992)
    Oscillating resistivity dependence of tensile extension was observed in thin (d < 20 Ојm) cylindrical single crystals of Bi-0.03 at% Sn alloy at 4.2 K. The resistivity dependence was influenced by sample diameter, temperature ...
  • Привод 
    BOSTAN, Ion; DULGHERU, Valeriu; BOTEZ, Ilie (Государственный Комитет СССР по делам изобретений и открытий, 1992-11-23)
    Изобретение относится к машиностроению и может быть использовано для увеличения крутящего момента и регулирования скорости.
  • Effects of the Cations on the Raman Spectra of Sulphur Defect Chalcopyrites 
    TIGINYANU, I. M.; LOTTICI, P. P.; RAZZETTI, C.; GENNARI, S. (IOP Publishing, 1993)
    We report the Raman spectrum of defect chalcopyrite compounds CdAl2S4, CdGa2S4, ZnGa2S4 and of the isostructural mixed compounds Zn0.7Cd0.3Al2S4, ZnGa0.2Al1.8S4 and ZnGa0.8Al1.2S4. The role of the cations on the vibrational ...
  • The influence of isochronous annealing upon the near-band-edge photoluminescence spectra of the electron-irradiated n-InP 
    RADAUTSAN, S. I.; TIGINYANU, I. M.; URSAKI, V. V.; KORSHUNOV, F. P.; SOBOLEV, N. A.; KUDRYAVTSEVA, E. A. (ELSEVIER, 1993)
    The near-band-edge photoluminescence (PL) bands observed at 1.305 and 1.392 eV (T = 4.2 K) in electron-irradiated InP single crystals and epilayers have different behaviour with increasing temperature of isochronous ...
  • Non-Linear Raman Scattering in I-III2-VI4 Compounds 
    FOMIN, V. M.; TIGINYANU, I. M.; URSAKI, V. V. (IOP Publishing, 1993)
    The paper presents an experimental substantiation of the theory (based on the optical vibration anharmonism) of non-linear Raman scattering (RS) in defective II-III2-VI4 compounds. In the transparency region of those ...
  • Luminescent and Photoconductive Properties of AgGa2.5In2.5S8 and CuGa2.5In2.5S8 New Semiconductors 
    ANEDDA, A.; SERPI, A.; MOLDOVYAN, N. A.; TIGINYANU, I. M.; URSAKI, V. V. (IOP Publishing, 1993)
    Results of a complex study of photoluminescence (PL), photoconductivity (PC) and photo-voltaic (PV) spectra in AgGa2.5In2.5S8 and CuGa2.5In2.5S8 single crystals are presented. The values of indirect (Egi=2.25 eV) and direct ...
  • Optical Phonons and Chemical Bonding in TlSbS2, TlSbSe2, and Tl3SbS3 Crystals 
    SYRBU, N. N.; KRASOVSKY, V. T.; GRINCHESHEN, I. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1993)
    The optical phonons at k = 0 of TlSbS2, TlSbSe2, and Tl3SbS3 have been investigated by infrared reflectivity measurements from 50 to 4000 cm−1 at 300 K. The factor group analysis of vibrational modes of TlSbS2 and Tl3SbS3 ...
  • Elastic properties of micrononhomogeneous As-S-Ge alloys 
    TSIULYANU, D. I.; DRAGICH, A. D.; GUMENIUK, N. A. (Elsevier, 1993)
    The chalcogenide alloys As-S-Ge have been prepared by a melt-quenching method and their density, microstructure and ultrasonic longitudinal sound velocity have been investigated at 15 MHz. The longitudinal modulus was ...
  • Fiber—optic displacement sensor 
    ANDRIESH, A. M.; CULEAC, I. P.; BINCHEVICI, V. A.; ABASHKIN, V. G.; SCHITSCO, V. N. (SPIE, Society of Photo-Optical Instrumentation Engineers, 1993)
    This paper describes a microbend displacement sensor with high sensitivity and wide dynamic range designed on the bases of multimode sensor—oriented fiber. A number of high sensitive sensors has been design on the basis ...
  • Observation of 0.4 eV electron trap in electron-irradiated InP:Fe single crystals 
    TIGINYANU, I. M.; PYSHNAYA, N. B.; CALIN, M. V.; URSAKI, V. V. (IEEE, 1994)
    There has been increasing attention focused on the investigation of the /spl ap/0.4 eV electron trap in indium phosphide. According to G. Hirt et. al. (1993), the defect corresponding to that trap plays a major role in the ...
  • Photoluminescence and conductivity compensation effects in fast-electron irradiated InP epilayers 
    RADAUTSAN, S. I.; TIGINYANU, I. M.; PYSHNAYA, N. B.; URSAKI, V. V. (Springer Nature Switzerland, 1994)
    Strong interaction between residual donor impurities and radiation defects was evidenced by studying the photoluminescence spectra of bound excitons in fast-electron (E=4 MeV) irradiated n-InP epilayers. A diminution of ...
  • Dimensional effects in V/Cu superconducting superlattices 
    DEDIU, V. I.; KABANOV, V. V.; SIDORENKO, A. S. (American Physical Society, 1994)
    The superconductor-normal-metal phase transitions in V/Cu superlattices have been studied in parallel and perpendicular magnetic fields. Two crossovers from three-dimensional to two-dimensional and from two-dimensional to ...
  • Dimensional crossover in fractal multilayered superconductors 
    SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; LÖHNEYSEN Von , H. (ELSEVIER, 1994)
    Superconducting properties of multilayers consisting of alternating Nb and Cu layers with a fractal stacking sequence have been investigated. Dimensional crossover is observed in the temperature dependence of the parallel ...
  • A new approach to information coding and protection based on the theory of matroids 
    BORSHEVICH, V.; OLEINIK, W. (Institute of Mathematics and Computer Science, 1994)
    A new approach to coding and protection of information in the computer and telecommunication systems is proposed and discussed. It is based on the mathematical apparatus of the theory of matroids, which in combination with ...
  • Infrared lattice vibrations of PbGa2S4 
    NEUMANN, H.; SOBOTTA, H.; SYRBU, N. N.; GOLOVEI, V. M. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1994)
    Infrared reflectivity spectra of PbGa2S4 single crystals are measured at room temperature in the wavenumber range from 30 to 4000 cm−1 for the polarization directions E ∥ c and E ∥ b. The frequencies of 13 B1u modes and ...

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