Articole din publicaţii internaţionale: Recent submissions

  • Lattice vibrations in CuIn1−xGaxSe2 crystals 
    SYRBU, N. N.; BOGDANASH, M.; TEZLEVAN, V. E.; MUSHCUTARIU, I. (Elservier, 1997)
    Infrared reflectivity spectra of CuInSe2, CuGaSe2 and CuIn1−xGaxSe2 solid solutions have been investigated for the polarizations E|c and E⊥c. Reflectivity spectrum contours are calculated and phonon parameters and dielectric ...
  • Обратная водородоподобная серия в примесных полупроводниках 
    СИНЯВСКИЙ, Э. П.; СЫРБУ, Н. Н.; ЧЕБОТАРЬ, В. Н. (Ioffe Institute, 1986)
    Изучено влияние примесных центров различных зарядовых состояний на механизмы образования обратных водородоподобных серий (ОВС) в полупроводниках. Теоретически и экспериментально исследовано поглощение света в области О ВС ...
  • Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; STAMOV, I. G.; BEJAN, V. N.; TEZLEVAN, V. E. (Elservier, 2007)
    The nonmodulated and wavelength-modulated reflection spectra of CuGaS2 crystals for the polarization EIIc of 10K are studied. The states n=1, 2 and 3 of the excitons Γ4 (A-excitons) and n=1, n=2 of B- and C-excitons are ...
  • Interference of birefractive waves in CdGa2S4 crystals 
    SYRBU, N. N.; TIRON, A. V.; PARVAN, V. I.; ZALAMAI, V. V.; TIGINYANU, I. M. (Elservier, 2015)
    In СdGа2S4 crystals the Fabry–Perot and birefringence interference spectra were investigated. Spectral dependences of refraction indexes for ordinary (no) and extraordinary (ne) light waves are defined. The spectral ...
  • Infrared vibrational Modes in Tl3SbS3, Tl3AsS3, and Tl3AsSe3 crystals 
    SYRBU, N. N.; KRASOVSKY, V. T.; GRINCHESHEN, I. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1994)
    Reflectivity spectra of Tl3SbS3, Tl3AsS3, and Tl3AsSe3 crystals have been investigated in the wave number range 50–600 cm−1 for the polarizations E∥c and E c. The fundamental phonon parameters, the limiting dielectric ...
  • Infrared Vibrational Modes and Anisotropy of the Effective Ionic Charge in CuAlSe2, CuAlS2, and CuGaSe2 Crystals 
    ANDRIESH, A. M.; SYRBU, N. N.; IOVU, M. S.; TAZLAVAN, V. E. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1995)
    Reflectivity spectra of CuAlS2, CuAlSe2, and CuGaSe2 crystals have been investigated in the wave number range 50 to 600 cm−1 for the polarizations E ‖ c and E ⊥ c. The fundamental phonon parameters, the limiting dielectric ...
  • 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, ...
  • 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 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 ...
  • Infrared lattice vibration study of CuIn5S8 
    NEUMANN, H.; SOBOTTA, H.; RIEDE, V.; TEZLEVAN, V. E.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, 1990)
    Infrared reflectivity spectra of the spinel compound CuIn5S8 are measured at room temperature in the wavenumber range from 180 to 4000 cm−1. It is found that the spectra are dominated by two strong modes with frequencies ...
  • Infrared lattice vibration spectra of tetragonal ZnP2 
    SOBOTTA, H.; NEUMANN, H.; RIEDE, V.; SYRBU, N. N. (Elservier, 1983)
    Infrared reflectivity spectra of tetragonal ZnP2 are measured in the frequency range from 40 to 600 cm-1 for both polarization directions E ⊥ c and E ‖ c. The parameters of 9 E modes and 4 A2 modes are determined by a ...
  • Infrared lattice vibration spectra of monoclinic ZnP2 
    SOBOTTA, H.; NEUMANN, H.; SYRBU, N. N.; RIEDE, V. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1983)
    The lattice vibrational properties of ZnP2 which is known to crystallize in a monoclinic and tetragonal modification with space groups P21/c and one of the enantiomorphs P41212 or P43212 respectively /1/, have been studied ...
  • Fundamental absorption edge in CuIn5Se8 and CuGa3Se5 single crystals 
    LEÓN, M.; LEVCENKO, S.; SYRBU, N. N.; NATEPROV, A.; TEZLEVAN, V.; MERINO, J. M.; ARUSHANOV, E. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 2006)
    Optical absorption spectra of CuIn5Se8 and CuGa3Se5 single crystals have been investigated. The energy gap E g for CuIn5Se8 (CuGa3Se5) was found to be varied from 1.27 (1.79) to 1.21 (1.71) eV in the temperature range ...
  • Frenkel excitons and band structure in Sb2S3 single crystals 
    BERIL, S. I.; STAMOV, I. G.; TIRON, A. V.; ZALAMAI, V. V.; SYRBU, N. N. (Elservier, 2020)
    Anisotropy of optical properties of Sb2S3 single crystals was investigated at 11 and 300 K. Ground and excited states of four excitonic states (A, B, C and D) were found out. Parameters of observed excitons and bands V1 – ...
  • Formation of InGaAs layers onto InP substrates by liquid-phase epitaxy 
    SYRBU, N. N.; DOROGAN, V. V.; CREŢU, R. V. (Elservier, 1996)
    The results of In0.53Ga0.47As InP epitaxial structure interface investigation are presented. It is shown that the transition from InP to In0.53Ga0.47As layer is associated with an interfacial transitional layer formation ...
  • Fine structured low temperature luminescence of CdP2 
    BINDEMANN, R.; FISCHER, H.; KREHER, K.; SYRBU, N. N. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1975)
    In this note we report photoluminescence spectra of tetragonal CdP2 single crystals at 4.2 K whichi show much more structure than the spectral published so far (3, 4).
  • Тонкая структура линий поглощения в кристаллах ZNP2 моноклинной модификации 
    СЫРБУ, Н. Н.; CTAMOB, И. Г.; РАДАУЦАН, С. И. (Russian Academy of Sciences, 1982)
    В настоящей работе исследованы спектры поглощения в кристаллах ZnP2-C25h состоящие из девяти линий, укладывающихся в обратную водородоподобную серию, и шести линий, сходящихся в коротковолновую сторону. Спектры обнаруживаются ...
  • Far Infrared and Raman Optical Study of CdInGaS4, CdIn2S4, HgInGaS4 and CdIn2S2Se2 Crystals 
    SYRBU, N. N.; RADAUTSAN, S. I.; CRETU, R. V.; TEZLEVAN, V. E.; MOLDOVEANU, N. A. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1996)
    Raman and infrared reflectivity spectra of CdInGaS4, CdIn2G4, HgInGaS4, and CdIn2S2Se2 crystals have been investigated. The fiindamental phonon parameters, the limiting dielectric constants ϵ0 and ϵ∞ and the reflectivity ...
  • Excitons and energetic bands structure of ZnP2-С2h 5 crystals 
    STAMOV, I. G.; DOROGAN, A. V.; SYRBU, N. N.; ZALAMAI, V. V. (Open Science Publishers, 2014)
    Reflectivity and transmittance spectra of ZnP2-C2h 5 crystals in the region of A, B and C excitons and E>Eg had been researched. The spectra had been calculated using dispersion correlations and the Kramers-Kronig correlations. ...
  • Excitonic spectra in HgGa2Se4 crystals 
    SYRBU, N. N.; ZALAMAI, V. V. (Elservier, 2018)
    Ground and excited states of four excitonic series (A, B, C and D) were discovered in HgGa2Se4 crystals at 10 K. Parameters of excitons and bands were determined. An effective mass of electrons mc is equal to 0.26m0 and ...

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