Articole ştiinţifice: Recent submissions

  • Влияние электрического поля барьера шоттки на оптические спектры дифосфида цинка 
    СТАМОВ, И. Г.; СЫРБУ, Я . Я.; ХАЧАТУРОВА, С. Б. (Ioffe Institute, 1984)
    Исследовано влияние электрического поля барьера Шоттки Au—ZnP2 на водородоподобные спектры отражения и поглощения в дифосфиде цинка. Установлено влияние поля на контур экситонных спектров отражения, а также на спектры ...
  • Resonance Raman scattering by excitonic polaritons in CuGaS2 
    SYRBU, N. N.; BLAZHE, M.; TIGINYANU, I. M.; TEZLEVAN, V. E. (Springer Nature Switzerland, 2002)
    Resonance Raman scattering by exciton polaritons in crystals of CuGaS2 under excitation with the 4880 and 4765 Å lines of an Ar+ laser at 9 K is studied. Lines of one-and two-phonon scattering of excitonic polaritons are ...
  • Resonance impurity radiation in CuGaS2 crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; TEZLEVAN, V. E. (Elservier, 2007)
    In this work the reflectivity spectra of the CuGaS2 crystals have been investigated in the EIIc polarization and the absorption spectra were studied in the E⊥c polarization at the 10K. The parameters of the excitons and ...
  • Reflectivity spectra of the orthorhombic crystal Bi2S3 
    SOBOLEV, V. V.; SYRBU, N. N.; NIKITINA, V. K.; LOBANOVA, YU. K. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1970)
    The present communications is devoted to the investigation of the electronic spectra of Bi2S3 single crystals in the range of 1 to 12,5 eV.
  • Raman scattering in right angle configuration on Cu2ZnSiSe4 single crystals 
    GUC, M.; LEVCENKO, S.; ZALAMAI, V.; ARUSHANOV, E.; SYRBU, N. N. (Elservier, 2017)
    Polarized Raman scattering and resonance Raman scattering spectra of Cu2ZnSiSe4 crystals measured at temperature 300 and 10 K were investigated. Nine vibrational modes of A2 symmetry, seven modes of B2 symmetry and nine ...
  • Polar vibrational modes in Ag3AsS3 crystals 
    SYRBU, N. N.; CEBOTARI, V. Z.; BOGDANASH, M. (Elservier, 1996)
    Reflectivity spectra of Ag3AsS3 crystals have been investigated in the range from 50 to 4000 cm−1 for E∥÷c and E ⊥ c polarizations, and practically all expected vibrational modes of A1 and E symmetry have been found. Phonon ...
  • Photoinduced effects and light emission in Ga-La-S:Pr/sup 3+/ glass 
    SEDDON, A .B.; FURNISS, D.; JOVU, M. S.; SHUTOV, S. D.; SYRBU, N. N.; ANDRIESH, A. M.; HERTOGEN, P.; ADRIAENSSENS, G. J. (IEEE, 2003)
    The absorption and radiation spectra of Ga-La-S-O glasses with fixed cation ratio Ga/La=0.7/0.3 and two oxygen content 0.65 Wt % and 2.95 Wt % were studied for two Pr/sup 3+/ doping levels of 0.1 and 1.0 Wt %. Presence of ...
  • Photoelectrical properties of a Au-CdIn2S4 surface-barrier diode 
    RADAUTSAN, S. I.; MOLODYAN, I. P.; BULYARSKII, S. V.; SYRBU, N. N.; TEZLEVAN, V. E. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1974)
    The photoelectrical properties of Schottky barriers Au-CdIn2S4 in a broad energy region have been considered. The optical direct and indirect transitions and the spin-orbit splittings of zones Γ15(Γ7), Γ15(Γ8) in L1(L6) ...
  • Фотоэлектрические свойства гетеропереходов ZnP2(D48) - ZnP2 ( C52h) 
    РАДАУЦАН, С. И.; СЫРБУ, Н. Н.; СТАМОВ, И. Г. (Russian Academy of Sciences, 1977)
    В данной работе рассматриваются свойства гетеропереходной пары, образованной на базе соединения ZnP2 , существующей в двух модификациях: с пространственной группой С2h5 и D48 .
  • Photodetectors and birefringence in ZnP2–С2h5 crystals 
    STAMOV, I. G.; SYRBU, N. N.; DOROGAN, A. V. (Elservier, 2013)
    The spectral dependences of refractive indexes no(n⊥), ne(n||) and Δn=no(n⊥)−ne(n||) were studied in ZnP2–C2h5 crystals. The intersection of no(n⊥) and ne(n||) was found for λ0=0.906μm. The crystal possesses positive ...
  • Оптические свойства CuAlS2 в области края фундаментального поглощения 
    СЫРБУ, Я. Я.; РАБОТИНСКИЙ, Н. Д.; СТРАТАН, Г. И.; ХАЧАТУРОВА, С. Б. (Ioffe Institute, 2016)
    В настоящей работе приведены результаты исследования спектров отражения монокристаллов CuAlS2 в области энергий экситонных переходов и в собственной области (3—6 эВ) при температуре 77 К. Исследованные кристаллы CuAlS2 ...
  • Optical spectra of TlGaS2 crystals 
    NEMERENCO, L.; SYRBU, N. N.; DOROGAN, V.; BEJAN, N. P.; ZALAMAI, V. V. (Elservier, 2016)
    Wavelength modulated reflection spectra measured at temperatures 14K and 300K in E||a and E||b polarizations for TlGaS2 crystals were investigated. The ground and excited states of excitons B2u in E||a polarization and B3u ...
  • Optical spectra and energy band structure of single crystalline CuGaS2 and CuInS2 
    SOBOLEV, V. V.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1972)
    The anisotropic spectra of edge absorption, reflection, and photoconductivity of the monoclinic ZnP2, and ZnA2, crystals have been experimentally investigated at 293 and 77 °K. The group-theoretical calculations of selection ...
  • Optical spectra and energy band structure of single crystalline CuGaS2 and CuInS2 
    LEVCENKO, S.; SYRBU, N. N.; TEZLEVAN, V. E.; ARUSHANOV, E.; DOKA-YAMIGNO, S.; SCHEDEL-NIEDRIG, Th.; LUX-STEINER, M. Ch. (IOP Publishing, 2007)
    The reflection spectroscopy of chalcopyrite CuGaS2 and CuInS2 single crystals has been applied for light polarized perpendicular () and parallel () to the optical axis in the photon energy range between 1.5 and 6 eV at 77 ...
  • Optical spectra and electroabsorption of CdP2 and CdP4 single crystals 
    RADAUTSAN, S. I.; SYRBU, N. N.; TESLEVAN, V. E.; CHUMAK, I. V. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1973)
    The anisotropy of the absorption and electroabsorption spectra of CdP2 and CdP4, single crystals has been investigated. A number of interband gaps has been determined and specified. The energies and the type of phonons ...
  • Оптические свойства монокристаллов TLSBS2 
    ГИЦУ, Д. В.; ГРИНЧЕШЕН, И. Н.; КРАСОВСКИЙ, В. Ф.; МОРОЗОВА, В. И.; СЫРБУ, Н. Н.; ПОПОВИЧ, Н. С. (Russian Academy of Sciences, 1989)
    В данной работе приведены результаты исследования поглощения, отражения и люминесценции монокристаллов TlSbS2 в поляризованном свете. Оптические спектры изучались при температуре кристаллов 2 К на установке, собранной на ...
  • Optical properties of Tl3SbS3 acousto-optic crystals 
    SYRBU, N. N.; DOROGAN, V. V.; NEMERENCO, L. L.; VIERU, T. S. (American Institute of Physics, 2006)
    Optical properties of acousto-optical material Tl3SbS3 were investigated at the fundamental absorption edge. The basic (n=1) and excited (n=2, 3) exciton states were obtained from the λ-modulated reflection spectra for ...
  • Optical properties of monocrystalline CuIn5Se8 
    LEVCENKO, S.; SYRBU, N. N.; ARUSHANOV, E.; TEZLEVAN, V.; FERNÁNDEZ-RUIZ, R.; MERINO, J. M.; LEÓN, M. (American Institute of Physics, 2006)
    Single crystals of CuIn5Se8 have been grown by chemical vapor transport. The crystals show a deviation from stoichiometry. The temperature dependence of their optical absorption spectra was investigated in the temperature ...
  • Optical properties of CuGa3Se 5 single crystals 
    LEVCENKO, S.; SYRBU, N. N.; NATEPROV, A.; ARUSHANOV, E.; MERINO, J. M.; LEÓN, M. (IOP Publishing, 2006)
    Single crystals of CuGa3Se5 have been grown by chemical vapour transport. Optical properties of CuGa3Se5 have been investigated in the temperature range between 10 K and room temperature 300 K. The temperature dependence ...
  • Optical Properties and Energy Band Structure of Zn3P2and Cd3P2 Crystals 
    SOBOLEV, V. V.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1974)
    Edge absorption, photoconductivity, and reflectivity spectra are investigated of Zn3P2 crystals in the range from 1 to 12.5 eV and reflectivity spectra of Cd3P2 crystals in the range from 1 to 12.5 eV. The Eg value of Zn3P2 ...

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