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Browsing Articole ştiinţifice by Author "DERMENJI, L."

Browsing Articole ştiinţifice by Author "DERMENJI, L."

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  • 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 ...
  • 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 ...
  • 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 ...

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