IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Author "ARUSHANOV, E."

Browsing Articole din publicaţii internaţionale by Author "ARUSHANOV, E."

Sort by: Order: Results:

  • Birefringence of Cu2ZnSiSe4 single crystals 
    SYRBU, N. N.; ZALAMAI, V.; GUC, M.; LEVCENKO, S.; DOROGAN, A.; ARUSHANOV, E. (Elservier, 2015)
    In Cu2ZnSiSe4 single crystals an interference spectra of the Fabry–Perot type due to observed birefringence were studied and spectral dependence of the refractive index n|| (E||c) and n⊥ (E⊥c), which intersect at isotropic ...
  • Exciton spectra and energy band structure of Cu2ZnSiSe4 
    GUC, M.; LEVCENKO, S.; DERMENJI, L.; GURIEVA, G.; SCHORR, S.; SYRBU, N. N.; ARUSHANOV, E. (Elservier, 2014)
    Exciton spectra are studied in Cu2ZnSiSe4 single crystals at 10 and 300K by means of reflection spectroscopy. The exciton parameters, dielectric constant and free carriers effective masses are deduced from experimental ...
  • Exciton spectra and energy band structure of CuGaSe2 single crystals 
    LEVCHENKO, S.; SYRBU, N. N.; TEZLEVAN, V. E.; ARUSHANOV, E.; MERINO, J. M.; LEÓN, M. (IOP Publishing, 2008)
    Photoreflectivity, wavelength modulation spectroscopy and photoluminescence measurements of CuGaSe2 are used to determine the exciton and band parameters as well as the energy band structure of CuGaSe2 at photon energies ...
  • 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 ...
  • Optical properties of Cu2ZnGeSe4 
    GUC, M.; BODNAR, I.; DERMENJI, L.; LEVCENKO, S.; ARUSHANOV, E.; SYRBU, N. N. (Institutul de Fizică Aplicată al AŞM, 2012)
    Cu2ZnGeSe4 (CZGSe) is interesting and promising p-type semiconductor materials for optoelectronics applications and solar cells. In this paper we present reflectivity spectra measured at 300 K in the photon energy range ...
  • 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 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 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 ...
  • 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 ...
  • Raman scattering investigation of MnxFe1−xIn2S4 solid solutions 
    GUC, M.; URSAKI, V. V.; BODNAR, I. V.; LOZHKIN, D. V.; ARUSHANOV, E.; IZQUIERDO-ROCA, V.; PÉREZ RODRÍGUEZ, A. (ELSEVIER, 2012)
    Spinel-type MnxFe1−xIn2S4 solid solutions grown by the planar melt crystallization method (the horizontal version of the Bridgman method) are investigated by means of energy dispersive X-ray analysis and Raman scattering ...
  • Reflectivity spectra of Cu2ZnSnSe4 
    BODNAR, I.; DERMENJI, L.; GUC, M.; LEVCENCO, S.; ARUSHANOV, E.; SYRBU, N. N. (Institutul de Fizică Aplicată al AŞM, 2012)
    Thin film solar cells of Cu2ZnSnSe4 with efficiency exceeding 9 % have been fabricated so far. In this paper we present reflectivity spectra measured at 300 K in the photon energy range of 1.5 - 6 eV. Cu2ZnSnSe4 crystals ...
  • Urbach's tail in the absorption spectra of CuIn5Se8 and CuGa3Se5 single crystals 
    ARUSHANOV, E.; LEVCENKO, S.; SYRBU, N. N.; NATEPROV, A.; TEZLEVAN, V.; MERINO, J. M.; LEÓN, M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2006)
    Optical absorption spectra of CuIn5Se8 and CuGa3Se5 single crystals grown by chemical vapour transport were investigated in the range of 10–300 K. The logarithmic variation of the absorption coefficient with photon energy ...
  • Variable-range hopping conductivity in Cu2ZnGeSe4 single crystals 
    GUC, M.; LISUNOV, K. G.; HAJDEU, E.; LEVCENKO, S.; URSAKI, V.; ARUSHANOV, E. (ELSEVIER, 2014)
    Resistivity, ρ(T), of the Cu2ZnGeSe4 single crystals is investigated between T~10 and 300K. The Mott variable-range hopping (VRH) conductivity is observed in the temperature interval of ~80–230K. Analysis of the Mott VRH ...

Search DSpace


Browse

My Account