IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole ştiinţifice by Author "NEMERENCO, L. L."

Browsing Articole ştiinţifice by Author "NEMERENCO, L. L."

Sort by: Order: Results:

  • Bound exciton in CuGaS2 
    SYRBU, N. N.; BEJAN, V. N.; TEZLEVAN, V. E.; NEMERENCO, L. L. (Institutul de Fizică Aplicată, AŞM, 2006)
    In CuGaS2 crystals absorption and luminescence spectra at the temperature 9 К at excitation by different wavelengths of Ar+ laser are investigated. In the luminescence and absorption spectra in crystals CuGaS2 at the ...
  • Bound exciton in CuGaS2 
    SYRBU, N. N.; NEMERENCO, L. L.; BEJAN, V. N.; TEZLEVAN, V. E. (Elservier, 2007)
    In CuGaS2 crystals absorption and luminescence spectra at the temperature 9K at excitation by different wavelengths of Ar laser are investigated. A series of lines available in luminescence and absorption spectra is found. ...
  • Current sign inverter guided by polarization 
    STAMOV, I. G.; SYRBU, N. N.; DOROGAN, A. V.; NEMERENCO, L. L. (Elservier, 2008)
    In this work, there are studied the photodetectors’ properties (photocurrent sign inverter) of a linear polarized radiation realized on the basis of anisotropic semiconductors. The photocurrent sign guiding is made by the ...
  • Exciton spectra, valence band splitting, and energy band structure of CuGaxIn1−xS2 and CuGaxIn1−xSe2 crystals 
    SYRBU, N. N.; TIGINYANU, I. M.; NEMERENCO, L. L.; URSAKI, V. V.; TEZLEVAN, V. E.; ZALAMAI, V. V. (ELSEVIER, 2005)
    Exciton spectra are studied in CuGaXIn1−XS2 solid solutions by means of photoreflectivity and wavelength modulation spectroscopy at liquid nitrogen temperature. The exciton parameters, dielectric constants, and free carrier ...
  • Exciton–phonon luminescence and Raman scattering in CuGaS2 crystals 
    SYRBU, N. N.; TEZLEVAN, V. E.; GALBICH, I.; NEMERENCO, L. L.; URSAKI, V. V. (ELSEVIER, 2009)
    Photoluminescence and resonance Raman scattering spectra of CuGaS2 crystals are investigated at low temperature (10K) under the excitation with the radiation from a spectral interval obtained by passing the radiation of ...
  • Free and bound exciton luminescence of ZnP2 –D48 
    SYRBU, N. N.; STAMOV, I. G.; DOROGAN, A. V.; NEMERENCO, L. L. (Academy of Sciences of Moldova, 2007)
    Thin structure of polarized absorption spectra of indirect transitions with phonon emission in the ZnP2 crystals is investigated. In the luminescence spectra, radiation of phonons at annihilation of free excitons ...
  • 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. (Academy of Sciences of Moldova, 2007)
    vol. 6 (2), pp. 194-200. ISSN 1810-648X. The nonmodulated and wavelength-modulated reflection spectra of CuGaS2 crystals for the polarization Е||c of 10 K are studied. The states n = 1, 2 and 3 of the excitons Γ4 ...
  • Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals 
    SYRBU, N. N.; STAMOV, I. G.; BEJAN, V. N.; TEZLEVAN, V. E.; NEMERENCO, L. L. (Institutul de Fizică Aplicată, AŞM, 2006)
    Excitons spectra in crystals CuGaS2 are investigated, in which the basic and excited states of excitons Γ4 and Г5 are found. The resonant luminescence ant its interference is found in the range excited states of excitons ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Polariton emission from CuGaSe2 crystals 
    SYRBU, N. N.; TIGINYANU, I. M.; URSAKI, V. V.; TEZLEVAN, V. E.; ZALAMAI, V. V.; NEMERENCO, L. L. (ELSEVIER, 2005)
    The value of longitudinal–transverse splitting ωLT equal to 2.5–2.8meV and the translation mass M=2.5m0 were determined for the A exciton as a result of investigation of the reflectivity and luminescence spectra of CuGaSe2 ...
  • 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 ...
  • Vibrational and Polariton Spectra of CdGa2S4 and CdAl2S4 Crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; COJOCARU, O. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2002)
    In this work the vibrational and polariton optical spectra of the CdGa2S4 and CdAl2S4 crystals grown from vapor phase and by the Bridgman method have been investigated. The light scattering by polaritons excited of various ...

Search DSpace


Browse

My Account