Articole din publicaţii internaţionale: Recent submissions

  • Optical and photoelectrical properties and band structure of single crystals of solid solutions of the system (CdS)3x–(In2S3)1−x 
    RADAUTSAN, S. I.; SYRBU, N. N.; TEZLEVAN, V. E.; SHERBAN, K. F.; STRUMBAN, E. E. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1973)
    The spectra of edge absorption, photoconductivity, and reflectivity of single crystals of solid solutions on the basis of CdIn2S4 have been studied. The values of Eg, the character of transitions responsible for Eg, the ...
  • Optical activity induced by rare-earth ions in As2S3 glasses and KCl crystals 
    SYRBU, N.; ZALAMAI, V.; CULEAC, I.; IOVU, M.; TIRON, A. V.; BERIL, S. I.; STAMOV, I. G. (Elservier, 2019)
    Optical transmission spectra of As2S3 glass-like plates and nanolayers, undoped and doped with Sm and Pr ions have been investigated. The spectral dependences of the refractive index and glass transmission spectra, registered ...
  • Oblique Phonons in Raman Scattering and IR Reflection of TeO2 Crystal 
    SYRBU, N. N.; CRETU, R. V.; CEBOTARI, V. Z.; MUSHINSKII, V. P. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1996)
    The Raman scattering and IR reflectivity have been investigated for different crystal configurations. The contours of reflectivity spectra have been calculated. The angle dependence of polar vibrational modes in both ...
  • Multiple-phonon resonant Raman scattering in CuGaxIn1−xS2 single crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; DOROGAN, A. V.; TEZLEVAN, V. E.; ARAMA, E. (Elservier, 2009)
    In this work it is researched the Raman scattering spectra of CuGaхIn1−xS2 solid compounds for x=1.0,0.9 and 0.8 at 10–60K. LO-phonons, 2LO-phonons etc can be observed while going far from the excitation energy (6 phonons ...
  • Luminescence at the axial centers of CdP2-D48 crystals 
    BERIL, S. I.; PANASENCO, V. V.; TKACHENKO, D. V.; STAMOV, I. G.; SYRBU, N. N. (Elservier, 2018)
    Emission lines of free excitons and excitons bound to axial centers have been observed in the luminescence spectra of CdP2-D48 crystals doped with Mn, Sn, and Sb at 10 K. Bands models of excitons bound to axial centers ...
  • lntraband and interband relaxation of excitonic polaritons 
    PEVTSOV, A. B.; SEL'KIN, A. V.; SYRBU, N. N.; URNANETS, A. G. (Russian Academy of Sciences, 1985)
    A well-defined doublet structure due to polariton emission has been found in the spectra of resonance exciton luminescence emitted by the black modification of ZnP, crystals at T = 2 K. The shape of the spectra is analyzed ...
  • Lattice vibrations in CuInSe2 crystals 
    SYRBU, N. N.; BOGDANASH, M.; TEZLEVAN, V. E. (Springer Nature Switzerland, 1997)
    Infrared reflection spectra of CuInSe2 crystals are investigated for the polarizations E∥c and E⊥c. Contours of the reflection spectra are calculated and phonon parameters and dielectric constants are determined. The ...
  • 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 ...

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